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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Barometric Pressure Sensor (BMP180/BMP280)
I2C (both) + SPI (BMP280 often). Supply: 1.8–3.6V core. Measures pressure + temperature. Altitude calculation. I2C addr 0x76/0x77.
Only 1 leftDual Temperature Heat Gun (1800W)
1800W dual temperature heat gun.
Out of stockDeepcool CH510 Mesh Digital
Mid-tower ATX, mesh front, front-panel temperature display. Solid budget pick.
Out of stock0.96 Inch Blue SPI OLED Display Module 7-Pin 128×64 – SSD1306
[LED/LCD Display] 0.96 Inch Blue SPI OLED Display Module 7-Pin 128×64 – SSD1306 The 0.96-inch Blue OLED Display Module is a compact graphical display based on the SSD1306 driver IC, featuring a 128×64 pixel resolution and blue monochrome display. This version has a 7-pin interface with a dedicated CS (Chip Select) pin, making it suitable for 4-wire SPI communication. The module is factory-configured for SPI and can also be modified for I2C/IIC communication on compatible board versions. With its compact size, wide viewing angle and low-power OLED technology, it is suitable for Arduino, ESP32, ESP8266, STM32, Raspberry Pi and other microcontroller projects. ⭐ Key Features 0.96-inch blue OLED display 128 × 64 pixel resolution SSD1306 driver IC 7-pin interface Dedicated CS (Chip Select) pin Factory configured for 4-wire SPI Supports SPI and I2C/IIC with appropriate configuration 3.3V/5V compatible on supported module versions No backlight required Low power consumption Wide viewing angle of more than 160° Compact PCB design Pre-soldered 7-pin male header Compatible with Arduino, ESP32, ESP8266, STM32 and Raspberry Pi projects 📋 Technical Specifications Display Type: OLED (Organic Light-Emitting Diode) Display Colour: Blue Display Size: 0.96 inch Driver IC: SSD1306 Resolution: 128 × 64 pixels Interface: SPI / I2C Default Interface: 4-wire SPI Input Voltage: 3.3V–5V Viewing Angle: >160° Module Dimensions: Approximately 27 × 27 × 4mm Operating Temperature: Approximately -30°C to +70°C Header: 7-pin male header, pre-soldered Display Type: Monochrome blue OLED 🔌 7-Pin Interface The 7-pin version provides the following connections: GND – Ground VCC – Power supply D0 / SCK / CLK – SPI clock D1 / MOSI / SDA – SPI data RES / RST – Display reset DC / A0 – Data/Command selection CS – Chip Select 🛠️ SPI Connection The module is normally supplied in 4-wire SPI configuration. For an Arduino Uno, a typical connection is: VCC → 5V GND → GND D0 → SCK / D13 D1 → MOSI / D11 RES → Digital I/O DC → Digital I/O CS → Digital I/O The dedicated CS pin allows the OLED to share the SPI bus with other devices such as SD cards or additional SPI peripherals. 🔄 I2C / IIC Configuration On compatible versions, the module can be converted from SPI to I2C by changing the appropriate resistor configuration on the PCB. The supplied board configuration may require: Moving the resistor from R3 to R1 Shorting R8 with solder Using D0 as SCL Using D1 as SDA Configuring DC for the I2C address The exact resistor positions can vary between board revisions, so check the markings on your particular PCB before modification. 🎯 Applications Arduino projects ESP32 projects ESP8266 projects STM32 development Raspberry Pi projects IoT devices Sensor displays Voltage/current meters Battery monitors Temperature displays Digital clocks Data loggers Portable electronic devices Robotics DIY measuring instruments Embedded systems Menu and status displays 💡 Advantages of OLED OLED technology is self-emissive, meaning the pixels produce their own light and do not require a conventional backlight. This provides high contrast, compact construction and a wide viewing angle while keeping power consumption relatively low. ⚠️ Important Notes This is the 7-pin SPI version, not the 6-pin version. The module is normally configured for SPI communication. Check the PCB labels before connecting the module. Do not exceed the specified supply voltage. Although many versions support 5V operation, the exact voltage tolerance can vary between board revisions. I2C operation may require hardware resistor modification. The actual PCB layout and component markings may vary slightly between production batches. Display colour: Blue. Libraries such as Adafruit SSD1306 and U8g2 can be used with compatible microcontrollers. 📦 Package Includes 1 × 0.96 Inch Blue SPI OLED Display Module
26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter
[Lithium Battery Holder] 26650 Battery Holder / Battery Spacer 2×1 – 26.3mm Bore Diameter The 26650 Battery Holder / Battery Spacer 2×1 is a cylindrical battery spacer designed to securely arrange 26650 lithium-ion battery cells while building multi-cell battery packs. Made from flame-retardant ABS+PC material, it provides a strong and stable structure while allowing air circulation around the cells. The holder features interlocking slots on the edges, allowing multiple spacers to be joined together to create different battery-pack sizes and configurations. After welding nickel strips, the assembled battery pack can achieve a solid and reliable structure without requiring additional connecting hardware. ⭐ Key Features Designed for 26650 cylindrical lithium-ion cells 2 × 1 configuration 26.3mm bore diameter Made from flame-retardant ABS+PC material High-temperature resistant construction Crack-resistant design Interlocking slots for connecting multiple spacers Allows flexible battery-pack configurations Provides mechanical support for battery cells Helps maintain proper spacing between cells Suitable for high-current battery-pack construction Helps improve battery-pack stability and reliability Allows airflow around the cells for heat dissipation 📋 Technical Specifications Product Type: Battery Holder / Battery Spacer Compatible Cell: 26650 cylindrical battery Configuration: 2 × 1 Number of Cells: 2 Bore Diameter: 26.3mm Material: Flame-retardant ABS+PC Construction: Interlocking modular design Mounting: Multiple spacers can be joined together Application: Lithium battery pack assembly Cell Type: Cylindrical Li-ion cells 🔧 Applications 26650 lithium-ion battery packs E-bike battery packs Electric scooter battery packs Electric vehicle battery packs Power-tool battery packs DIY high-current battery packs UPS battery systems Solar energy storage packs Portable power stations Robotics battery packs Custom lithium battery assemblies 🛠️ How to Use The spacer is designed to hold two 26650 cells in a 2×1 arrangement. Multiple spacers can be connected through the slots provided around the edges to create larger battery-pack configurations. For a complete battery pack: Cell → Spacer → Nickel Strip Welding → Additional Spacers → Battery Pack For mechanical support, spacers can be positioned at the top and bottom of the cells. Important: For each individual battery cell, 2 spacers are recommended—one at the top and one at the bottom. 💡 Advantages Simple Assembly: Easy to arrange cylindrical cells. Flexible Design: Multiple spacers can be interconnected to create different pack shapes. Strong Construction: Helps keep cells firmly positioned. Heat Dissipation: Provides spacing between cells and allows airflow. Reliable Battery Pack: Helps make the completed pack mechanically stable. Suitable for Complex Packs: Useful for custom battery configurations, including e-bike and high-current applications. ⚠️ Important Notes This product is only a battery holder/spacer; batteries are not included. The 26.3mm bore is intended for compatible 26650 cells. Check your actual cell diameter before purchase. Do not force oversized cells into the holder. Battery cells should be properly insulated and securely assembled. Use suitable nickel strip and an appropriate spot-welding method. Use a suitable BMS/protection system for the completed lithium battery pack. Battery cells should be properly matched before assembling a multi-cell pack. 2 spacers are recommended per individual cell, one on each end. Keep the battery assembly away from excessive heat, moisture and physical damage. 📦 Package Includes 1 × 26650 Battery Holder / Battery Spacer – 2×1, 26.3mm Bore Diameter Note: Battery cells, nickel strips and BMS are not included.
2S 4A Type-C Lithium Battery Charging Module – 8.4V Step-Up Boost Charger for 18650 Lipo
[Step UP Buck Converter] 2S 4A Type-C Lithium Battery Charging Module – 8.4V Step-Up Boost Charger for 18650 The 2S 4A Type-C Lithium Battery Charging Module is a compact step-up charging board designed for charging 2-cell series (2S) 18650 Li-ion/Li-Po battery packs. It accepts a 3–6V DC input through USB Type-C and boosts the voltage to 8.4V, the required full-charge voltage for a 2S lithium battery pack. The 4A specification refers to the maximum input current version. According to available product specifications, the corresponding charging current is approximately 2.2A, rather than 4A. ⭐ Key Features Designed for 2S lithium-ion/Li-Po battery packs Suitable for 2 × 18650 cells connected in series USB Type-C input 3–6V DC input Recommended input: 3.7V / 5V Step-up/boost charging circuit 8.4V charging voltage 4A maximum input-current version Approximately 2.2A charging current Automatic recharge function Battery charging protection features Compact PCB design LED charging/status indication Suitable for DIY battery and portable-power projects 📋 Technical Specifications Product Type: 2S Lithium Battery Step-Up Charging Module Battery Configuration: 2S – 2 cells in series Compatible Battery: 3.6V/3.7V Li-ion / Li-Po Nominal Battery Pack Voltage: 7.4V Full-Charge Voltage: 8.4V Input Voltage: DC 3–6V Recommended Input: DC 3.7V / 5V Maximum Input Current: 4A Charging Current: Approximately 2.2A Charging Interface: USB Type-C Charging Mode: Constant-current / constant-voltage Board Size: Approximately 39 × 18 × 6.3mm Operating Temperature: -40°C to +85°C LED Indicators: Charging / fully charged or constant-voltage status 🔋 Charging Performance For the 2S 4A version: USB Type-C 5V → Boost Charging Module → 8.4V → 2S Battery Pack The module draws up to approximately 4A from the input, while the specified charging current is approximately 2.2A. This distinction is important when selecting the USB power adapter. 🔧 Applications 2S 18650 battery packs 7.4V Li-ion battery packs 2S Li-Po battery packs DIY power banks Portable electronics Bluetooth speaker battery systems Robotics projects Solar charging applications Electronic prototyping Portable audio equipment Electric fan projects Type-C rechargeable equipment Custom battery charging systems 🛠️ How It Works The module uses a boost/step-up charging circuit to convert the lower USB Type-C input voltage into the 8.4V charging voltage required for a 2S lithium battery pack. Example: 5V Type-C Input → Step-Up Circuit → 8.4V Charging Output → 2S 18650 Battery A 2S battery pack consists of two lithium cells connected in series: 3.7V + 3.7V = 7.4V nominal4.2V + 4.2V = 8.4V fully charged 💡 LED Indicators The module uses status indicators to show the charging condition: CR: Charging OK: Fully charged / constant-voltage stage ⚠️ Important Notes This module is intended for 2S battery packs only. Do not connect a single 18650 cell directly to the 8.4V charging output. The two cells should be properly matched and in good condition. Do not exceed the 6V maximum input voltage. A suitable Type-C power source is required to supply the necessary input current. The 4A rating is the input-current rating, not the battery charging current. The specified charging current for this 2S 4A version is approximately 2.2A. This charging module should not automatically be considered a replacement for a dedicated 2S BMS/protection board. Use appropriate battery protection where required. Check the PCB polarity and connection markings before connecting the battery. Do not short-circuit the input or output. Use properly matched lithium cells for safe and reliable charging. Keep the module adequately ventilated during higher-current operation. 📦 Package Includes 1 × 2S 4A Type-C Step-Up Boost Lithium Battery Charging Module – 8.4V
Digital USB Mobile Power Charging Current Voltage Tester Meter
[Ammeter and Voltmeter] Digital USB Mobile Power Charging Current Voltage Tester Meter The Digital USB Mobile Power Charging Current Voltage Tester Meter is a compact USB testing device designed to measure and display charging voltage and current in real time. It is useful for checking the power output of USB chargers, power banks and other USB-powered devices. ⭐ Key Features Precise current and voltage measurement Simultaneous voltage and current display Bright digital LCD display Straight USB connector design USB Type-A Male input and USB Type-A Female output Compact and lightweight Easy to connect and use Suitable for USB chargers and power banks Compatible with USB-powered devices 📋 Technical Specifications Product Name: Digital USB Mobile Power Charging Current Voltage Tester Meter Color: As per available stock Input Voltage: 3.5V–7.0V Output Voltage: 3.5V–7.0V Current Measurement Range: 0A–3A Voltage Accuracy: ±1% Current Accuracy: ±1% Display Type: Digital LCD Display Screen Size: 0.91 inch Data Display: Voltage and Current simultaneously Power Consumption: ≤0.1W Interface: USB Type-A Male (Input) / USB Type-A Female (Output) Measurement Frequency: 2 times per second Operating Temperature: 0°C–45°C Material: ABS Plastic Dimensions: 64 × 23 × 15mm Weight: 15g Compatibility: USB-powered devices 🔧 Applications Mobile charger testing USB charger testing Power bank testing USB power supply testing Mobile phone charging analysis USB device testing Electronics troubleshooting DIY electronics projects Checking charging voltage and current 🛠️ How to Use Insert the USB Type-A Male connector into the USB charger, power bank or USB power source. Connect the USB-powered device to the USB Type-A Female output. The digital display will show the voltage and charging current. Monitor the readings during charging or testing. 📦 Package Includes 1 × Digital USB Mobile Power Charging Current Voltage Tester Meter ⚠️ Important Notes Do not exceed the specified voltage and current measurement ranges. This tester is intended for USB/DC applications. Actual readings may vary depending on the charger, cable and connected device. Use within the specified operating temperature range.
KWS-MX18 10-in-1 USB Tester Digital LCD Voltage, Current & Power Meter
[Ammeter and Voltmeter] KWS-MX18 10-in-1 USB Tester – Digital LCD Voltage, Current & Power Meter The KWS-MX18 10-in-1 USB Tester is a compact multifunction digital testing instrument designed for monitoring and evaluating USB chargers, power banks, USB ports, mobile charging systems, and other DC power sources. It provides real-time measurement of voltage, current, power, capacity, energy, charging time, resistance, and internal temperature on its digital display. The tester supports a DC voltage range of 4–30V and current measurement up to approximately 5.1A, with power measurement up to 150W. It also provides capacity and energy monitoring, making it useful for checking the actual charging performance and capacity of USB power supplies and power banks. ⭐ Key Features 10-in-1 multifunction USB tester Digital LCD display Real-time voltage and current monitoring Measures power consumption Measures accumulated charging capacity Measures energy consumption Charging time measurement Charging resistance measurement Internal temperature measurement Positive and negative voltage measurement Stores measurement data in 9 groups Power-off memory function Compact and lightweight design Suitable for USB charger and power-bank testing Supports QC2.0 / QC3.0 according to available product information 📋 Technical Specifications Product Type: 10-in-1 USB Digital Tester Model: KWS-MX18 Input Voltage Range: DC 4–30V Current Measurement: 0–5.1A Power Measurement: 0–150W Capacity Measurement: 0–999999mAh Energy Measurement: 0–999999mWh Timing Range: 0–99 Hours Charging Resistance: 0–999.9Ω Internal Temperature: 0–80°C Positive Voltage Measurement: 0–10V Negative Voltage Measurement: 0–10V Memory Groups: 1–9 Display: Digital LCD Material: ABS Dimensions: Approximately 56.6 × 24.7 × 11.2mm Weight: Approximately 13.9g Input Connector: USB Output Connector: USB Function Button: Yes 🔍 10 Measurement Functions Voltage: 4–30V DC Current: 0–5.1A Power: 0–150W Capacity: 0–999999mAh Energy: 0–999999mWh Charging Time: 0–99 hours Charging Resistance: 0–999.9Ω Positive Voltage: 0–10V Negative Voltage: 0–10V Internal Temperature: 0–80°C 💾 Memory Function The KWS-MX18 can store charging measurement information in 9 separate memory groups. This allows you to compare charging capacity and energy measurements from different chargers or devices. The stored data can be viewed using the function button, and an individual memory group can be cleared by holding the button for approximately 3 seconds. 🔘 Button Functions Single Press: View stored measurement data from memory groups 1–9. Long Press: Clear the currently selected memory group. Double Press: Change the display page. Calibration: The device supports voltage and current calibration according to the supplied manual. 🔌 Applications USB Charger Testing Mobile Charger Testing Power Bank Testing USB Port Testing Mobile Phone Charging Analysis USB Cable Testing Power Supply Monitoring DC Power Measurement Electronics Troubleshooting DIY Electronics Projects Charger Performance Testing Battery Charging Analysis 🛠️ How to Use Connect the KWS-MX18 in-line between the USB power source and the USB-powered device. Once powered, the LCD displays the measured electrical parameters. You can use the function button to change display pages and access stored measurement data. It is particularly useful for comparing chargers, power banks, cables, and USB ports by monitoring actual voltage, current, power, capacity, and energy delivered. 📦 Package Includes 1 × KWS-MX18 10-in-1 USB Digital Tester ⚠️ Color Note: Color: White / Black Color will be shipped depending on stock availability. Any one color (White or Black) may be shipped based on available stock. Specific color cannot be guaranteed. ⚠️ Precautions Do not exceed the specified 30V DC input voltage. Do not exceed the specified current measurement range. Ensure correct USB connection direction before use. Keep the tester away from water and excessive moisture. Do not use it for measuring mains AC voltage. The device is intended for DC/USB power measurement. Actual measurement accuracy can depend on the connected source, load, cable, and operating conditions.
Almirah Wardrobe Switch – 250V AC 6A Momentary Push-to-Off Switch
[Mechanical Switches] Almirah Wardrobe Switch – 250V AC 6A Momentary Push-to-Off Switch The Almirah Switch is a compact single-pole momentary push-to-off switch designed for use in almirahs, cupboards, wardrobes, cabinets, and furniture lighting applications. It provides instantaneous switching action and is suitable for applications where an electrical circuit needs to be switched according to the opening or closing of a cabinet or door. The switch features a high-grade polycarbonate body and brass contacts, providing reliable electrical conduction and durability for regular use. Its compact design is intended to fit standard almirah cutouts and supports panel or surface mounting with screw-type wire terminals. With a rating of 250V AC and 6A, an IP20 protection level, and a mechanical life of more than 10,000 operations, this switch is suitable for indoor furniture and cabinet applications. ⭐ Key Features 250V AC rated voltage 6A current rating Single-pole design Momentary push-button operation Push-to-Off action Instantaneous response High-grade polycarbonate construction Brass electrical contacts Compact design for standard almirah cutouts Panel or surface mounting Screw-type wire terminals Glossy white finish Mechanical life of >10,000 operations IP20 protection RoHS compliant 📋 Technical Specifications Product Type: Almirah Switch Switch Type: Momentary Actuator Type: Push Button Circuit Type: Single Circuit Number of Poles: Single Pole Rated Voltage: 250V AC Maximum Voltage: 250V AC Current Rating: 6A Maximum Current: 6A Response Time: Instantaneous Automation Grade: Manual Material: High-Grade Polycarbonate Contact Material: Brass Wire Terminal: Screw-Type Mounting Type: Panel / Surface Mount Protection Level: IP20 Finish Type: Glossy Color: White Operating Temperature: -10°C to +50°C Temperature Range: -10°C to +50°C Mechanical Life: >10,000 Operations Insulation Resistance: 100MΩ Minimum @ 500V DC Contact Resistance: 50mΩ Stroke: Standard Push-to-Off Action Size: Compact; fits standard almirah cutout Weight: Approximately 20g Number of Modules: Single Module UV Stabilized: Normal RoHS Compliance: Yes 🔌 Operation The switch provides a push-to-off momentary action. It is designed for applications where the switch operates automatically through the physical movement of a cupboard, wardrobe, almirah, or cabinet door. 🔧 Applications Almirah Lighting Cupboard Lighting Wardrobe Lighting Cabinet Lighting Furniture Lighting Storage Cabinet Applications Office Cabinets Home Furniture Control Panels Indoor Electrical Applications 🛠️ Installation The switch can be installed using its panel or surface mounting arrangement. Fit the switch into a suitable cutout and secure it firmly. Connect the wires to the screw-type terminals with the power supply switched off during installation. 📦 Package Includes 1 × Almirah Switch – White, 250V AC 6A ⚠️ Precautions Disconnect the power supply before installation or wiring. Do not exceed the 250V AC / 6A rating. Ensure screw terminals are tightened securely. Use suitable wiring for the connected load. Intended primarily for indoor applications. IP20 protection does not provide waterproof protection. Do not use in wet or exposed outdoor environments. Replace the switch if contacts become damaged or operation becomes unreliable. ❓ Frequently Asked Questions Q: What is the voltage and current rating?A: The switch is rated for 250V AC and 6A. Q: What type of switch is it?A: It is a single-pole momentary push-to-off switch. Q: Where can it be installed?A: It is designed for almirahs, cupboards, wardrobes, cabinets, and similar furniture applications. Q: What material is used for the switch?A: The body is made from high-grade polycarbonate, with brass contacts. Q: What is the mechanical life?A: The supplied specification states a mechanical life of more than 10,000 operations.
25 Watt Soldering Iron with 3mm Tip
[Soldering Iron] 25W Soldering Iron – Deluxe Economic The 25W Soldering Iron – Deluxe Economic is a compact and practical soldering tool designed for electronics assembly, component soldering, PCB repair, circuit modifications, and general-purpose electronic work. With a 25W heating element and included 3mm spade tip, it provides a convenient solution for routine soldering applications. The soldering iron features a quick-heating element to reduce waiting time before operation. It is compatible with most standard soldering tips available on the market, making it suitable for both hobbyists and professional electronics repair work. This soldering iron is manufactured in India and may be supplied under SAMCON, Devaji, Noel, Alpine, or an equivalent manufacturer, depending on availability. ⭐ Key Features 25W power output Includes 3mm spade tip Quick-heating capability Compatible with most standard soldering tips Compact and practical design Suitable for PCB soldering and repair Durable construction for general electronics work Suitable for hobbyists, technicians, and educational use Made in India 📋 Technical Specifications Product Type: Electric Soldering Iron Model: Deluxe Economic Power Rating: 25W Tip Type: 3mm Spade Tip: 3mm Spade Tip, Pre-Installed Heating Type: Quick Heating Tip Compatibility: Most Standard Soldering Tips Manufacturer: SAMCON / Devaji / Noel / Alpine or Equivalent Country of Origin: India Application: Electronics Soldering and PCB Repair 🔧 Applications General Electronics Component Soldering PCB Assembly PCB Repair Circuit Modifications Electronics Hobby Projects DIY Electronics Educational Electronics Workshops Component Replacement Wire Soldering General Electrical & Electronic Repair 🛠️ How to Use Insert a suitable soldering tip and allow the iron to heat up. Apply solder to the heated joint and component connection to create a proper electrical and mechanical connection. After completing the work, place the soldering iron safely on a heat-resistant stand and allow it to cool before storage. 📦 Package Includes 1 × 25W Soldering Iron 1 × 3mm Spade Tip (Pre-Installed) ⚠️ Precautions The soldering tip becomes extremely hot during operation. Do not touch the heated tip or metal parts during use. Always place the soldering iron on a suitable heat-resistant stand when not in use. Use in a well-ventilated area. Wear appropriate eye protection during soldering. Keep away from children and flammable materials. Disconnect from the power supply after use. Allow the iron to cool completely before changing the tip. Lead-free solder may require higher temperatures and may not perform optimally with every 25W soldering application. ❓ Frequently Asked Questions Q: Can the 3mm spade tip be replaced?A: Yes. The supplied specification states that the soldering iron is compatible with most standard soldering tips, allowing tip replacement. Q: What safety precautions are required?A: Use the soldering iron in a well-ventilated area, use eye protection, and place it on a heat-resistant stand when not in use. Q: Is it compatible with lead-free solder?A: It can be used with lead-free solder, although lead-free soldering may require higher temperatures depending on the application.
1K Ohm Rotary Potentiometer Round Shaft 3 Pin Elcon
[Potentiometer] 1KΩ Rotary Potentiometer Round Shaft Elcon The 1KΩ Rotary Potentiometer Round Shaft Elcon is a reliable 3-pin linear rotary potentiometer designed for adjusting electrical parameters such as voltage, current, brightness, motor speed, and other control functions in electronic circuits. By rotating the shaft, the resistance can be smoothly adjusted across its available range, making it suitable for a wide variety of DIY and electronic applications. With its compact 16mm body, 6mm round shaft, and through-hole mounting design, this potentiometer is easy to install on electronic PCBs and control panels. Its linear resistance characteristics make it suitable for applications such as LED brightness control, fan speed control, motor control, power supply adjustment, and general-purpose voltage control. ⭐ Key Features 1KΩ resistance value 3-pin rotary potentiometer Linear potentiometer Smooth rotary adjustment 6mm round shaft 10mm shaft length Compact 16mm body diameter Through-hole mounting Suitable for PCB and electronic circuits Ideal for voltage and resistance adjustment Suitable for DIY and electronic projects Elcon brand 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Resistance Value: 1KΩ Configuration: 3 Pin / Single Gang Tolerance: ±20% Shaft Type: Round Shaft Shaft Diameter: 6mm Shaft Length: 10mm Body Diameter / Width: 16mm Total Height: Approx. 25mm Mounting Type: Through Hole Operating Temperature: -40°C to +80°C Weight: Approx. 8g 🔧 Applications LED Brightness Control Fan Speed Control Motor Speed Control Voltage Adjustment Current Adjustment Power Supply Circuits Audio & Electronic Circuits Arduino Projects DIY Electronics Projects Electronic Prototyping 🛠️ How It Works A potentiometer is a variable resistor with three terminals. The two outer terminals are connected to the resistive track, while the center terminal acts as the wiper. Rotating the shaft changes the wiper position and therefore changes the resistance or output voltage in the circuit. 📦 Package Includes 1 × 1KΩ Rotary Potentiometer Round Shaft Elcon ⚠️ Note Product images are shown for illustrative purposes only and may differ slightly from the actual product. The 1KΩ value, tolerance, dimensions, and shaft length should be verified against the actual product batch before installation.
5K Ohms Rotary Potentiometer Round Shaft 3 Pin Elcon
[Potentiometer] 5KΩ Rotary Potentiometer Round Shaft Elcon The 5KΩ Rotary Potentiometer Round Shaft Elcon is a reliable 3-pin linear rotary potentiometer designed for adjusting electrical parameters such as voltage, current, brightness, motor speed, and other control functions in electronic circuits. By rotating the shaft, the resistance can be smoothly adjusted across its available range, making it suitable for a wide variety of DIY and electronic applications. With its compact 16mm body, 6mm round shaft, and through-hole mounting design, this potentiometer is easy to install on electronic PCBs and control panels. Its linear resistance characteristics make it suitable for applications such as LED brightness control, fan speed control, motor control, power supply adjustment, and general-purpose voltage control. ⭐ Key Features 5KΩ resistance value 3-pin rotary potentiometer Linear potentiometer Smooth rotary adjustment 6mm round shaft 13mm shaft length Compact 16mm body diameter Through-hole mounting Suitable for PCB and electronic circuits Ideal for voltage and resistance adjustment Suitable for DIY and electronic projects Elcon brand 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Resistance Value: 5KΩ Configuration: 3 Pin / Single Gang Tolerance: ±20% Shaft Type: Round Shaft Shaft Diameter: 6mm Shaft Length: 13mm Body Diameter / Width: 16mm Total Height: Approx. 28mm Mounting Type: Through Hole Operating Temperature: -40°C to +80°C Weight: Approx. 8g 🔧 Applications LED Brightness Control Fan Speed Control Motor Speed Control Voltage Adjustment Current Adjustment Power Supply Circuits Audio & Electronic Circuits Arduino Projects DIY Electronics Projects Electronic Prototyping 🛠️ How It Works A potentiometer is a variable resistor with three terminals. The two outer terminals are connected to the resistive track, while the center terminal acts as the wiper. Rotating the shaft changes the wiper position and therefore changes the resistance or output voltage in the circuit. 📦 Package Includes 1 × 5KΩ Rotary Potentiometer Round Shaft Elcon ⚠️ Note Product images are shown for illustrative purposes only and may differ slightly from the actual product. The 5KΩ value, tolerance, dimensions, and shaft length should be verified against the actual product batch
107 × 61mm 5V 180mA Mini Solar Panel Cell Module
[Solar Panel] ☀️ 107 × 61mm 5V 180mA Mini Solar Panel Cell Module (0.9W) 5V Output • 180mA Current • Polycrystalline Solar Cell • Compact & Lightweight • DIY Solar Projects The 107 × 61mm Mini Solar Panel Cell Module is a compact and efficient photovoltaic module designed to convert sunlight into clean and renewable electrical energy. Delivering a stable 5V output with a maximum current of 180mA, this solar panel is ideal for powering small electronic devices, battery charging circuits, educational projects, and DIY solar applications. Built using high-quality polycrystalline silicon solar cells, the panel provides efficient energy conversion with reliable performance under direct sunlight. Its compact size and lightweight construction make it easy to integrate into portable electronics, robotics, IoT devices, and renewable energy projects. Designed with a durable, weather-resistant construction, the module is suitable for both indoor demonstrations and outdoor applications. Pre-drilled mounting holes allow quick installation on enclosures, backpacks, models, and custom solar-powered devices. ⭐ Features High-efficiency polycrystalline solar panel Stable 5V DC output Maximum output current of 180mA Maximum power output of 0.9W Compact and lightweight design Efficient solar energy conversion Weather-resistant construction Pre-drilled mounting holes Easy integration into DIY projects Eco-friendly renewable energy source Maintenance-free operation Suitable for educational and hobby applications 📋 Technical Specifications Product Type: Mini Solar Panel Cell Module Panel Dimensions: 107 × 61 mm Cell Type: Polycrystalline Silicon Maximum Power Output: 0.9W Output Voltage: 5V DC Maximum Output Current: 180mA Conversion Efficiency: Approx. 17% Operating Temperature: -40°C to +85°C Storage Temperature: -40°C to +85°C Construction: Waterproof, Weather-Resistant Mounting: Pre-Drilled Mounting Holes Material: High-Quality Polycrystalline Silicon Weight: Approx. 16g 🔧 Applications Suitable for: DIY Solar Projects Solar Battery Chargers Mobile Charging Projects Arduino Projects ESP32 Projects Raspberry Pi Accessories Robotics IoT Devices Solar Garden Lights Educational Science Experiments Portable Electronics Renewable Energy Demonstrations Emergency Backup Projects Small DC Power Applications 📦 Package Includes 1 × 107 × 61mm 5V 180mA Mini Solar Panel Cell Module ⚠️ Note Output voltage and current depend on sunlight intensity, panel angle, and environmental conditions. For battery charging applications, use a suitable charge controller or charging module. Designed for low-power electronic projects and educational use. Product appearance and dimensions may vary slightly depending on the manufacturing batch.
3-in-1 Aluminum Heat Sink Set for Raspberry Pi 3
[Aluminium Heat Sink] ❄️ 3-in-1 Aluminum Heat Sink Set for Raspberry Pi 3 High-Quality Aluminum • Self-Adhesive Thermal Tape • Improved Cooling • Easy Installation The 3-in-1 Aluminum Heat Sink Set for Raspberry Pi 3 is a premium cooling accessory designed to improve heat dissipation and maintain stable operating temperatures for Raspberry Pi boards. Manufactured from high-quality aluminum, these heat sinks efficiently transfer heat away from critical components, helping improve performance and extend the life of your Raspberry Pi. The kit includes three aluminum heat sinks of different sizes to cool the processor, Ethernet/LAN controller, and other heat-generating ICs. Each heat sink comes pre-installed with a high-performance thermal adhesive backing, allowing quick and secure installation without the need for additional thermal paste or glue. By reducing operating temperatures, the heat sinks help prevent thermal throttling during continuous operation, making them ideal for overclocking, media centers, home servers, IoT applications, industrial automation, and embedded systems. ⭐ Features Premium-quality aluminum construction Excellent thermal conductivity Self-adhesive thermal tape for easy installation No thermal paste required Lightweight and durable Improves heat dissipation Reduces processor temperature Helps prevent thermal throttling Ideal for continuous operation and overclocking Designed specifically for Raspberry Pi boards Corrosion-resistant aluminum finish Easy peel-and-stick installation 📋 Technical Specifications Product Type: Aluminum Heat Sink Set Compatibility: Raspberry Pi 3 Model A, A+, B, B+ Material: Aluminum Color: Silver Quantity: 3 Heat Sinks Mounting Method: Self-Adhesive Thermal Tape Thermal Interface: Pre-applied Thermal Adhesive Cooling Type: Passive Cooling Weight: Lightweight Installation: Peel-and-Stick 🔧 Applications Suitable for: Raspberry Pi 3 Model B Raspberry Pi 3 Model B+ Raspberry Pi 3 Model A+ Raspberry Pi 3 Model A Raspberry Pi Media Center Home Automation Projects IoT Devices Embedded Systems Robotics Projects Industrial Controllers NAS Servers Retro Gaming Consoles AI Edge Computing Educational Projects DIY Electronics 📦 Package Includes 1 × Large Aluminum Heat Sink (CPU) 1 × Medium Aluminum Heat Sink (LAN/Ethernet Controller) 1 × Small Aluminum Heat Sink (Additional IC / Spare)
XH-W1219 12V Digital Temperature Controller Module with Dual LED Display & Waterproof NTC Sensor
[Relay Module, Temperature Sensor] 🌡️ XH-W1219 12V Digital Temperature Controller Module with Dual LED Display & Waterproof NTC Sensor Dual LED Display • 12V DC Operation • 10A Relay Output • Heating & Cooling Modes • Waterproof NTC Sensor The XH-W1219 12V Digital Temperature Controller Module is a high-precision thermostat controller designed for automatic temperature monitoring and control in heating and cooling applications. Powered by 12V DC, this module features a dual LED display that simultaneously shows the current temperature and set temperature, making operation more convenient than the popular W1209 controller. Equipped with a waterproof NTC 10K temperature sensor, the XH-W1219 accurately measures temperatures from -50°C to +110°C. The onboard 10A relay output can directly control heaters, cooling fans, pumps, compressors, and other electrical loads within its rated capacity. The module is based on a Nuvoton microcontroller, which stores all settings in non-volatile memory, ensuring that user configurations are retained even after power loss. It supports both Heating (H) and Cooling (C) modes, adjustable hysteresis, temperature calibration, delay start, and high-temperature alarm functions. Ideal for incubators, aquariums, refrigeration systems, greenhouse automation, HVAC equipment, battery temperature monitoring, and industrial automation, the XH-W1219 provides reliable and accurate temperature control in a compact module. ⭐ Features Dual LED display for simultaneous temperature and setpoint display Operates on 12V DC High-accuracy waterproof NTC 10K temperature sensor Temperature control range from -50°C to +110°C Supports Heating and Cooling modes Built-in 10A relay output Adjustable temperature hysteresis Temperature calibration function Adjustable relay delay start High-temperature alarm function Stores settings in non-volatile memory Easy configuration using three push buttons High measurement accuracy (0.1°C resolution) Based on a Nuvoton MCU Compact PCB design with mounting holes 📋 Technical Specifications Product Type: Digital Temperature Controller Module Model: XH-W1219 Operating Voltage: 12V DC Display: Dual 3-Digit LED (Current Temperature & Set Temperature) Temperature Sensor: Waterproof NTC 10K Thermistor Temperature Control Range: -50°C to +110°C Temperature Resolution: 0.1°C Temperature Calibration: -10°C to +10°C Relay Output: 10A (Maximum) Relay Contact Rating: Up to 120VAC 10A / 14VDC 10A Control Modes: Heating (H) / Cooling (C) Hysteresis Setting: 0.1°C to 30°C Delay Start: 0–10 Minutes High Temperature Alarm: -49°C to +110°C Memory: Non-Volatile Parameter Storage Controller: Nuvoton MCU Dimensions: Approx. 60 × 44 × 17 mm Weight: Approx. 22 g (may vary slightly by manufacturer) ⚙️ Parameter Functions Parameter Description P0 Heating (H) / Cooling (C) Mode Selection P1 Temperature Hysteresis (Return Difference) P2 Maximum Temperature Limit P3 Minimum Temperature Limit P4 Temperature Calibration P5 Relay Delay Start (0–10 Minutes) P6 High Temperature Alarm Setting 🔧 Applications Suitable for: Egg Incubators Aquarium Temperature Control Greenhouse Automation Refrigeration Systems Cooling Fans Heating Elements Water Heaters HVAC Systems Fermentation Equipment Battery Temperature Monitoring Industrial Automation Laboratory Equipment DIY Electronics Smart Home Projects Arduino & Raspberry Pi Projects (Relay Interface) 📦 Package Includes 1 × XH-W1219 12V Digital Temperature Controller Module 1 × Waterproof NTC 10K Temperature Sensor ⚠️ Note Operates only on 12V DC. The relay output is rated for 10A maximum. For higher-power loads, use an external contactor or relay. Sensor cable can be extended if required using appropriate wiring. Product appearance or PCB color may vary slightly depending on the manufacturing batch.
5.5 × 2.1mm DC Power Jack Plug with 2-Pin Screw Terminal
[Power Connector] 🔌 5.5 × 2.1mm DC Power Jack Plug with 2-Pin Screw Terminal (Male / Female) Standard DC Barrel Connector • 2-Pin Screw Terminal • Solder-Free Installation • Up to 5A Current Rating The 5.5 × 2.1mm DC Power Jack Plug with 2-Pin Screw Terminal is a convenient and reliable connector designed for quick and secure DC power connections without soldering. Compatible with the industry-standard 5.5mm outer diameter and 2.1mm inner diameter barrel connector, it is widely used in CCTV camera installations, LED lighting, routers, power adapters, and DIY electronics projects. Available in Male and Female variants, this connector features a 2-pin screw terminal that allows wires to be connected easily using a screwdriver. The clearly marked positive (+) and negative (–) terminals help prevent wiring errors, making installation simple for both professionals and hobbyists. Manufactured with a durable ABS plastic housing and nickel-plated metal contacts, this connector provides reliable electrical performance, corrosion resistance, and long service life. Its reusable design makes it ideal for prototyping, repairs, and permanent installations. ⭐ Features Standard 5.5 × 2.1mm DC barrel connector Available in Male and Female versions 2-pin screw terminal for quick wire connection No soldering required Clearly marked positive (+) and negative (–) terminals Supports up to 5A current Durable ABS plastic housing Nickel-plated contacts for improved conductivity Secure and reusable connection Easy plug-and-play installation Suitable for 12V and 24V DC systems Ideal for DIY electronics and repair work 📋 Technical Specifications Product Type: DC Power Jack Plug with Screw Terminal Connector Type: Male / Female Barrel Size: 5.5mm (Outer) × 2.1mm (Inner) Terminal Type: 2-Pin Screw Terminal Rated Voltage: 0–30V DC Recommended Operating Voltage: 12V / 24V DC Maximum Current: Up to 5A Housing Material: ABS Plastic Contact Material: Nickel-Plated Metal Mounting Type: Inline Cable Mount Wire Compatibility: Up to 22 AWG Polarity Marking: Positive (+) / Negative (–) Operating Temperature: -20°C to +80°C 🔧 Applications Suitable for: CCTV Camera Power Connections LED Strip Lighting LED Sign Boards DC Power Adapters Routers and Modems Arduino Projects Raspberry Pi Projects DIY Electronics Battery Packs Power Distribution Systems Industrial Control Equipment Testing and Prototyping Electronic Repairs Low-Voltage DC Power Systems 📦 Package Includes 1 × 5.5 × 2.1mm DC Power Jack Plug with 2-Pin Screw Terminal (Male or Female variant as selected) ⚠️ Note Please select the required Male or Female connector variant before ordering. Verify polarity before connecting power to avoid damage to connected devices. Suitable for low-voltage DC applications only. Product appearance may vary slightly depending on the manufacturing batch.
110 × 69mm 5V 180mA Mini Solar Panel Cell Module
[Solar Panel] ☀️ 110 × 69mm 5V 180mA Mini Solar Panel Cell Module (0.9W) 5V Output • 180mA Current • 0.9W Power • Polycrystalline Solar Cell • Compact & Lightweight The 110 × 69mm 5V 180mA Mini Solar Panel Cell Module is a compact and efficient photovoltaic module designed to convert sunlight into clean, renewable electrical energy. Delivering a stable 5V output with a maximum current of 180mA, this solar panel is ideal for powering low-power electronic devices, DIY solar projects, battery charging applications, and educational experiments. Built using high-quality polycrystalline silicon solar cells, the module offers efficient energy conversion while maintaining reliable performance under sunlight. Its lightweight construction and compact dimensions make it easy to integrate into portable devices, robotics projects, solar-powered gadgets, and outdoor applications. Designed for durability, the panel features a weather-resistant construction suitable for outdoor use. With pre-drilled mounting holes, installation is quick and convenient for a wide range of renewable energy projects. ⭐ Features High-efficiency polycrystalline solar panel Stable 5V DC output Maximum output current of 180mA Maximum power output of 0.9W Compact size for portable projects Lightweight and easy to install Weather-resistant construction Pre-drilled mounting holes Suitable for outdoor applications Eco-friendly renewable energy source No external power source required Ideal for educational and DIY projects 📋 Technical Specifications Product Type: Mini Solar Panel Cell Module Cell Type: Polycrystalline Silicon Maximum Power Output: 0.9W Output Voltage: 5V DC Maximum Output Current: 180mA Panel Dimensions: 110 × 69 mm Operating Temperature: -40°C to +85°C Storage Temperature: -40°C to +85°C Construction: Weather-Resistant Connector: None (Solder Wire Connection) Weight: Approximately 15g 🔧 Applications Suitable for: DIY Solar Projects Solar Battery Chargers Mobile Phone Charging Projects Arduino Projects ESP32 & ESP8266 Projects Raspberry Pi Accessories Robotics Projects Solar Garden Lights Educational Science Experiments IoT Devices Portable Electronic Devices Renewable Energy Demonstrations Emergency Backup Power Projects Small DC Loads 📦 Package Includes 1 × 110 × 69mm 5V 180mA Mini Solar Panel Cell Module ⚠️ Note Output voltage and current depend on sunlight intensity and panel orientation. For battery charging applications, use a suitable solar charge controller or charging module. This panel is intended for low-power applications and may not provide sufficient power under low-light conditions. Product appearance may vary slightly depending on the manufacturing batch.
Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell
[LiFePO4 Battery Cell] 🔋 Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell High Capacity • Long Cycle Life • High Discharge Performance • Ideal for Energy Storage & Electric Vehicles The Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Cell is a premium cylindrical lithium iron phosphate (LiFePO₄) battery designed for high-performance energy storage and power applications. Featuring a nominal voltage of 3.2V, 6Ah capacity, and up to 18A continuous discharge current, this cell delivers stable output voltage, excellent safety, and long service life. The specification identifies the product as a LFP32700-6.0Ah LiFePO₄ cylindrical rechargeable cell. Manufactured with a robust steel enclosure, the battery offers excellent resistance to vibration, shock, and harsh operating conditions while maintaining low self-discharge and high energy efficiency. It is suitable for battery packs used in electric vehicles, solar energy storage systems, portable power stations, communication backup systems, robotics, and industrial equipment. The datasheet also highlights its sturdy steel case, high capacity, long cycle life, stable output voltage, and good high/low temperature performance. Datasheet : Click Here To Open ⭐ Features High-capacity 6Ah LiFePO₄ cylindrical cell Nominal voltage of 3.2V Excellent cycle life of 2000+ cycles High continuous discharge capability up to 18A (3C) Peak pulse discharge current up to 30A (5C) Low internal resistance (≤8mΩ) Stable output voltage Low self-discharge High safety and thermal stability Sturdy pressure-resistant steel casing Excellent vibration and shock resistance Suitable for battery pack assembly 📋 Technical Specifications Brand: Blivex Model: LFP32700-6.0Ah Battery Chemistry: Lithium Iron Phosphate (LiFePO₄) Battery Type: Cylindrical Rechargeable Cell Nominal Voltage: 3.2V Nominal Capacity: 6.0Ah Energy Density: 142Wh/kg Internal Resistance: ≤8mΩ (AC, 1000Hz) Limited Charge Voltage: 3.65V Charge Method: CC/CV Standard Charge Current: 0.5C Maximum Charge Current: 1C Charge Cut-off Current: 0.3A Discharge Cut-off Voltage: 2.0V Standard Discharge Current: 6A (1C) Maximum Continuous Discharge Current: 18A (3C) Maximum Pulse Discharge Current: 30A (10 seconds) Cycle Life: 1500 Cycles (25°C, 100% DOD) Charge Temperature: 0°C to 60°C Recommended Charge Temperature: 15°C to 40°C Discharge Temperature: -30°C to 60°C Recommended Discharge Temperature: 15°C to 40°C Cell Diameter: 32.2 ± 0.3mm Cell Height: 70.5 ± 0.3mm Weight: 135 ± 5g These specifications are taken from the manufacturer's datasheet. 🔧 Applications Suitable for: Solar Energy Storage Systems Portable Power Stations Home Energy Storage UPS Backup Systems Electric Scooters Electric Tricycles Electric Four-Wheel Vehicles Electric Logistics Vehicles Battery Pack Manufacturing Communication Backup Power Industrial Energy Storage Robotics Projects DIY LiFePO₄ Battery Packs Marine & RV Power Systems The manufacturer lists applications including electric two-wheel vehicles, tricycles, logistics vehicles, special vehicles, portable energy storage, household energy storage, industrial energy storage, and communication backup power. 📦 Package Includes 1 × Blivex LFP32700 3.2V 6Ah LiFePO₄ Rechargeable Battery Cell ⚠️ Note Use only with a compatible LiFePO₄ charger and an appropriate Battery Management System (BMS). Do not short-circuit, crush, puncture, disassemble, or expose the battery to fire or excessive heat. Store the battery in a cool, dry place when not in use. Product appearance may vary slightly depending on the manufacturing batch. The datasheet includes additional handling, storage, and safety precautions for transportation, storage, and battery use.
Electric Kettle Thermostat Switch T125 16A 250V Automatic Thermal Cut-Off Switch White
[Mechanical Switches] The Electric Kettle Thermostat Switch T125 is a high-quality temperature control switch used in electric kettles and various heating appliances. It incorporates a precision bimetal thermostat that senses temperature and automatically disconnects the heating element once the desired temperature is reached, helping prevent overheating and dry-boil conditions. Manufactured with heat-resistant engineering plastic and durable silver alloy contacts, the thermostat offers stable switching performance, excellent electrical reliability, and a long mechanical life. The white housing provides excellent heat resistance, electrical insulation, and durability for continuous use in household appliances. With a 16A current rating and 250V AC operating voltage, the thermostat is suitable for most standard electric kettles, hot water dispensers, electric boilers, and similar heating equipment. Its compact design allows quick installation and easy replacement of worn or damaged thermostat switches. 🔹 Key Features Automatic temperature control Built-in overheat protection Dry-boil safety protection Precision bimetal thermostat Rated for 16A current Heat-resistant white housing Silver alloy electrical contacts Stable and reliable switching performance Long electrical and mechanical life Easy installation and replacement 🔹 Technical Specifications Product Type: Electric Kettle Thermostat Switch Model: T125 Rated Voltage: 250V AC Rated Current: 16A Temperature Rating: T125 Switching Type: Automatic Thermal Cut-Off Contact Type: Normally Closed (NC) Reset Type: Automatic (Application Dependent) Mounting Type: Screw Mount Terminal Type: Quick Connect Terminals Housing Material: Heat-Resistant Engineering Plastic Housing Color: White Contact Material: Silver Alloy Operating Frequency: 50/60Hz Operating Temperature: Up to 125°C Ambient Rating 🔹 Applications Suitable for: Electric kettles Electric water boilers Tea makers Coffee makers Hot water dispensers Steam appliances Water heating equipment Household appliances Appliance repair and replacement 🔹 Package Includes 1 × Electric Kettle Thermostat Switch T125 16A White
Electric Kettle Thermostat Switch T125 16A 250V Automatic Thermal Cut-Off Switch Black
[Mechanical Switches] The Electric Kettle Thermostat Switch T125 is a high-quality temperature control switch used in electric kettles and various heating appliances. It incorporates a precision bimetal thermostat that senses temperature and automatically disconnects the heating element once the desired temperature is reached, helping prevent overheating and dry-boil conditions. Manufactured with heat-resistant engineering plastic and durable silver alloy contacts, the thermostat offers stable switching performance, excellent electrical reliability, and a long mechanical life. The black housing provides excellent heat resistance and durability for continuous use in household appliances. With a 16A current rating and 250V AC operating voltage, the thermostat is suitable for most standard electric kettles, hot water dispensers, electric boilers, and similar heating equipment. Its compact design allows quick installation and easy replacement of worn or damaged thermostat switches. 🔹 Key Features Automatic temperature control Built-in overheat protection Dry-boil safety protection High-quality bimetal thermostat Rated for 16A current Heat-resistant black housing Silver alloy electrical contacts Stable and reliable switching Long electrical and mechanical life Easy installation and replacement 🔹 Technical Specifications Product Type: Electric Kettle Thermostat Switch Model: T125 Rated Voltage: 250V AC Rated Current: 16A Temperature Rating: T125 Switching Type: Automatic Thermal Cut-Off Contact Type: Normally Closed (NC) Reset Type: Automatic (Application Dependent) Mounting Type: Screw Mount Terminal Type: Quick Connect Terminals Housing Material: Heat-Resistant Plastic Housing Color: Black Contact Material: Silver Alloy Operating Frequency: 50/60Hz Operating Temperature: Up to 125°C Ambient Rating 🔹 Applications Suitable for: Electric kettles Electric water boilers Tea makers Coffee makers Hot water dispensers Steam appliances Water heating equipment Household appliances Appliance repair and replacement 🔹 Package Includes 1 × Electric Kettle Thermostat Switch T125 16A Black
10-in-1 USB & Type-C Digital Tester – IPS Voltmeter, Ammeter, Impedance & Capacity Meter
[Ammeter and Voltmeter] The 10-in-1 USB & Type-C Digital Power Tester is a multifunction USB measurement instrument developed for engineers, technicians, hobbyists, and electronics enthusiasts. It accurately monitors USB charging performance while providing comprehensive electrical measurements for USB-A and USB Type-C devices. Equipped with a bright IPS true-color LCD display, the tester simultaneously displays ten important charging parameters including Voltage, Current, Power, Capacity (mAh), Energy (mWh), Cable Resistance, Temperature, Charging Time, D+ Voltage, and D− Voltage. The tester features both USB-A and USB Type-C input/output interfaces, allowing compatibility with traditional USB chargers as well as modern USB-C Power Delivery devices. It supports testing of fast chargers, mobile phones, tablets, laptops, power banks, USB cables, and various USB-powered electronics. With support for measurements up to 150W and 5A, this tester is suitable for high-power USB-C PD chargers while consuming less than 20mA of operating current. Built-in control buttons allow users to switch display modes, perform fast-charge diagnostics, and manage measurement functions easily. Its compact design makes it an excellent tool for electronics repair, charger verification, cable testing, battery capacity measurement, laboratory work, and DIY electronics projects. 🔹 Key Features Dual Interface: USB-A & USB Type-C Input/Output Supports USB PD and Fast Charging IPS Full Color LCD Display Measures Voltage, Current and Power Capacity (mAh) & Energy (mWh) Measurement Cable Resistance (Impedance) Measurement Internal Temperature Monitoring USB D+ / D− Voltage Detection Charging Timer Function High Accuracy Measurement Low Self Power Consumption Compact Portable Design Easy Operation with Dedicated Function Buttons 🔹 Technical Specifications Product Type: USB Digital Power Tester Display: IPS True Color LCD Input Interface: USB-A / USB Type-C Output Interface: USB-A / USB Type-C Maximum Power Measurement: 150W Maximum Current: 5A Voltage Measurement: USB Standard & USB-C PD Power Measurement Range: 0–150W Current Measurement: Up to 5A Capacity Measurement: mAh Energy Measurement: mWh Impedance Measurement Range: 1–999.9Ω Temperature Measurement: 0°C to 80°C USB D+ Voltage Range: 0–2.99V USB D− Voltage Range: 0–2.99V Timer Range: 999 Hours 59 Minutes Refresh Rate: Approximately 500ms Self Power Consumption: <20mA Operating Buttons: Mode / Power Dimensions: 76.9 × 38 × 11 mm 🔹 Applications This USB tester is suitable for: USB charger testing USB-C PD charger testing Power bank capacity testing Mobile charger verification Fast charging protocol diagnostics USB cable resistance testing Laptop USB-C charger testing Electronics repair DIY electronics projects Laboratory measurements Battery charging analysis Quality inspection of USB power supplies 🔹 Package Includes 1 × 10-in-1 USB & Type-C Digital Power Tester 🔹 Frequently Asked Questions (FAQ) What does "10-in-1" mean? It measures ten important parameters: Voltage, Current, Power, Capacity, Energy, Impedance, Temperature, Charging Time, D+ Voltage, and D− Voltage. Does it support both USB-A and USB Type-C? Yes. It features both USB-A and USB Type-C input and output interfaces. What is the maximum power it can measure? Up to 150W. What is the maximum current supported? Up to 5A. Can it test USB-C laptop chargers? Yes. It supports high-power USB-C PD chargers up to 150W. Can it measure charging cable quality? Yes. It measures cable impedance from 1Ω to 999.9Ω. Does it display temperature? Yes. It includes an internal temperature sensor with a range of 0°C to 80°C. Does it require batteries? No. It is powered directly from the connected USB source. Can it measure power bank capacity? Yes. It records charging capacity in mAh and mWh. Does it support fast charging protocols? Yes. It can monitor USB D+ and D− voltages, helping identify fast charging protocol handshakes.
3.7V 700mAh 503035 Rechargeable Lithium Polymer (Li-Po) Battery for DIY Electronics, Robotics
[LiPo Cell] The 503035 3.7V 700mAh Rechargeable Lithium Polymer Battery is a compact and reliable power source designed for portable electronic devices and embedded applications. Manufactured using advanced Lithium Polymer (Li-Po) technology, it provides high energy density, lightweight construction, and excellent charge/discharge performance. In addition, the battery delivers a nominal voltage of 3.7V and a capacity of 700mAh, making it suitable for devices that require compact size with extended runtime. As a result, it is widely used in Bluetooth speakers, wireless headphones, GPS trackers, drones, robotics, IoT devices, portable medical equipment, and DIY electronics projects. Because of its slim profile, the battery can be easily integrated into compact electronic enclosures where space is limited. Furthermore, its low self-discharge rate and long cycle life ensure dependable performance over repeated charging cycles. The battery comes with pre-attached wires and a connector (connector type may vary by batch), allowing quick installation in compatible devices. Moreover, it supports safe charging using standard 3.7V Lithium Polymer battery chargers or BMS protection circuits. ⚠️ Note: Charge the battery only with a compatible Lithium Polymer charger or charging protection module. Do not short-circuit, puncture, overcharge, or expose the battery to high temperatures. 🔹 Key Features Rechargeable Lithium Polymer (Li-Po) battery High energy density Compact and lightweight design Stable 3.7V output 700mAh capacity Long charge/discharge cycle life Low self-discharge Pre-attached connection wires Suitable for portable electronic devices Reliable and safe performance 🔹 Technical Specifications Battery Type: Lithium Polymer (Li-Po) Model: 503035 Nominal Voltage: 3.7V Full Charge Voltage: 4.2V Capacity: 700mAh Battery Dimensions: Approx. 5 × 30 × 35 mm Rechargeable: Yes Charging Method: CC/CV (Constant Current / Constant Voltage) Standard Charge Voltage: 4.2V Protection Circuit: May vary depending on batch Operating Temperature: -10°C to +60°C Weight: Approximately 15–18g 🔹 Applications This battery is suitable for: Bluetooth speakers Bluetooth headsets Mini drones RC toys Robotics projects IoT devices GPS trackers Portable electronic devices DIY electronics projects Wearable electronics 🔹 Package Includes 1 × 503035 3.7V 700mAh Rechargeable Lithium Polymer Battery
702025 3.7V 400mAh rechargeable Battery for Drone, Toys, Gaming, Robotics bluetoorh Headset, Bluetooth Speaker
[LiPo Cell] The 702025 3.7V 400mAh Rechargeable Lithium Polymer Battery is a compact and high-performance power source designed for portable electronic devices requiring lightweight and reliable energy storage. Built using advanced Lithium Polymer (Li-Po) technology, it provides high energy density, low self-discharge, and consistent output voltage. In addition, the battery delivers a nominal voltage of 3.7V with a capacity of 400mAh, making it suitable for powering compact electronic devices and embedded systems. As a result, it is widely used in drones, Bluetooth speakers, Bluetooth headsets, wireless gaming accessories, robotics, GPS devices, wearable electronics, and DIY battery-powered projects. Because of its slim profile and lightweight construction, the battery can be easily integrated into space-constrained applications. Furthermore, it supports multiple charge and discharge cycles while maintaining stable performance and long service life. The battery includes a pre-attached connector with insulated leads for quick installation and safe operation. Moreover, its rechargeable design makes it an economical and environmentally friendly power solution. ⚠️ Note: Charge the battery only with a compatible 3.7V Lithium Polymer battery charger or BMS protection circuit. 🔹 Key Features Rechargeable Lithium Polymer (Li-Po) battery High energy density Compact and lightweight design Stable 3.7V output Long charge/discharge cycle life Low self-discharge rate Pre-attached connection wires Suitable for portable electronic devices Reliable and safe performance Ideal for DIY electronics projects 🔹 Technical Specifications Battery Type: Lithium Polymer (Li-Po) Model: 702025 Nominal Voltage: 3.7V Full Charge Voltage: 4.2V Capacity: 400mAh Battery Dimensions: Approx. 7 × 20 × 25 mm Rechargeable: Yes Protection Circuit: Yes Charging Method: CC/CV (Constant Current / Constant Voltage) Operating Temperature: -10°C to +60°C Weight: Approximately 6–7g 🔹 Applications This battery is suitable for: Mini drones RC toys Bluetooth headsets Bluetooth speakers Wireless gaming controllers Robotics projects GPS trackers Wearable electronics DIY electronic devices Portable rechargeable products
DHT11 Digital Temperature and Humidity Sensor Module 3.3V-5V for Arduino & Raspberry Pi
[Temperature Sensor] The DHT11 Digital Temperature and Humidity Sensor Module is a reliable and cost-effective sensor designed to measure ambient temperature and relative humidity. It combines a capacitive humidity sensing element and a thermistor with a built-in digital signal processing unit, providing calibrated digital output directly to microcontrollers. In addition, the DHT11 offers stable performance and excellent long-term reliability, making it suitable for environmental monitoring and automation applications. As a result, it is widely used in weather stations, smart home systems, greenhouse monitoring, HVAC systems, and educational electronics projects. Because the module includes the required pull-up resistor, interfacing with microcontrollers becomes simple and straightforward. Furthermore, only three connections are required: VCC, GND, and Data Output. The sensor operates from a wide voltage range of 3.3V to 5.5V DC, ensuring compatibility with Arduino, Raspberry Pi, ESP32, STM32, NodeMCU, and other development boards. Moreover, readily available libraries and example codes allow quick integration into projects. The DHT11 utilizes advanced digital signal acquisition technology and dedicated temperature-humidity sensing techniques to ensure accurate and dependable measurements. 🔹 Key Features Measures temperature and humidity simultaneously Calibrated digital signal output Low power consumption High reliability and long-term stability Capacitive humidity sensing technology Built-in pull-up resistor on module Compatible with Arduino, ESP32, Raspberry Pi, and STM32 Simple 3-wire interface Easy integration into IoT projects Compact and lightweight design 🔹 Technical Specifications Sensor Model: DHT11 Operating Voltage: 3.3V – 5.5V DC Output Type: Digital Serial Output Humidity Measurement Range: 20%RH – 90%RH Humidity Accuracy: ±5%RH Humidity Resolution: 1%RH Temperature Measurement Range: 0°C – 50°C Temperature Accuracy: ±2°C Temperature Resolution: 1°C Sampling Rate: 1Hz (One Reading Per Second) Long-Term Stability: < ±1%RH/Year Interchangeability: Fully Interchangeable Sensor Technology: Capacitive Humidity Sensor + Thermistor 🔹 Pin Configuration Pin 1 (VCC): 3.3V – 5.5V DC Power Supply Pin 2 (DATA): Digital Serial Data Output Pin 3 (GND): Ground 🔹 Applications This sensor module is suitable for: Arduino projects Raspberry Pi projects ESP32 projects IoT systems Weather monitoring stations Smart home automation Greenhouse monitoring HVAC control systems Environmental monitoring Educational electronics projects 🔹 Package Includes 1 × DHT11 Digital Temperature and Humidity Sensor Module