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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
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
Single Side Adhesive Barley Insulation Paper Roll 65mm x 1 Meter for Lithium Battery Packs
[Insulation Paper] The Single Side Adhesive Barley Insulation Paper Roll is a premium electrical insulation material widely used in lithium-ion battery pack manufacturing and electrical insulation applications. Manufactured from high-quality cellulose fiber, it offers excellent dielectric properties, mechanical strength, and long-term reliability. In addition, the insulation paper features a single-sided adhesive backing that allows quick and secure installation on battery cells, terminals, and electrical components. As a result, it simplifies battery pack assembly and improves production efficiency. Because of its excellent heat resistance and electrical insulation characteristics, the paper helps prevent short circuits and protects battery cells from mechanical damage. Furthermore, the material provides good oil resistance and moisture absorption properties, making it suitable for demanding industrial environments. The flexible design allows easy cutting and shaping for custom battery pack configurations. Moreover, it is commonly used in lithium-ion battery manufacturing, electric vehicles, power tools, and industrial insulation applications. This insulation paper is widely used in battery packs, cell insulation, gasket manufacturing, automotive applications, and electrical equipment assembly. 🔹 Key Features Single-side adhesive insulation paper Excellent dielectric properties High mechanical strength Good heat resistance Oil-resistant material Moisture absorption capability Flexible and easy to cut Suitable for lithium battery packs Reliable electrical insulation Durable and long-lasting performance 🔹 Technical Specifications Product Type: Barley Insulation Paper Roll Material: Pure Cellulose Fiber Adhesive Type: Single Side Adhesive Color: Green Width: 65mm Length: 1 Meter Thickness: Less than 0.5mm Electrical Property: High Dielectric Strength Mechanical Strength: High Flexibility: Excellent Packaging Type: Roll 🔹 Applications This insulation paper is suitable for: Lithium-ion battery packs 18650 battery pack assembly Battery terminal insulation Cell paper machines Electric vehicle battery packs Power tool battery packs Automotive gasket applications Electrical insulation projects Industrial equipment insulation 🔹 Package Includes 1 × Single Side Adhesive Barley Insulation Paper Roll 65mm × 1 Meter
Keltron 3300uF 25V Radial Electrolytic Capacitor High Performance Capacitor
[Through Hole Capacitor] The Keltron 3300uF 25V Electrolytic Capacitor is a high-performance aluminum electrolytic capacitor designed for energy storage, voltage filtering, and ripple suppression applications. It is widely used in power supply circuits, audio amplifiers, inverter systems, battery chargers, and industrial electronics. In addition, the capacitor provides excellent filtering capability by reducing voltage fluctuations and unwanted electrical noise. As a result, it helps improve circuit stability and enhances overall system performance. Because of its 3300uF high capacitance value, the capacitor is ideal for smoothing DC power rails and handling transient current demands. Furthermore, the 25V DC voltage rating makes it suitable for a variety of low-voltage electronic applications. The radial lead design allows easy PCB installation and secure mounting. Moreover, Keltron capacitors are known for their dependable quality, stable electrical characteristics, and long operational life. This capacitor is commonly used in audio amplifier power supplies, SMPS circuits, LED power supplies, inverter systems, battery chargers, and DIY electronics projects. 🔹 Key Features Genuine Keltron capacitor High capacitance 3300uF value Rated voltage of 25V DC Excellent ripple filtering performance Suitable for audio and power supply circuits Low leakage current Long operational life Radial lead through-hole design Reliable and stable performance 🔹 Technical Specifications Brand: Keltron Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 3300uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Lead Type: Radial Operating Temperature: Up to 105°C (Series Dependent) Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Audio amplifier circuits Power supply filtering SMPS circuits Inverter systems Battery chargers LED driver circuits Industrial electronics DIY electronics projects Electronic repair applications 🔹 Package Includes 1 × Keltron 3300uF 25V Radial Electrolytic Capacitor
Out of stock803040 3.7V 1000mAh LiPo Battery | Rechargeable Lithium Polymer Battery Cell
[LiPo Cell] The 803040 3.7V 1000mAh Lithium Polymer Battery is a lightweight and compact rechargeable battery designed for portable electronic devices and embedded applications. With a stable 3.7V nominal voltage and 1000mAh capacity, it provides reliable power for IoT projects, DIY electronics, Bluetooth devices, and wearable gadgets. This LiPo battery features a flat pouch design that allows easy integration into compact devices. The high energy density and stable discharge characteristics make it suitable for applications requiring long-lasting power in a small form factor. The battery can be charged using standard LiPo charging modules and provides dependable performance for hobby electronics and portable systems. 🔹 Key Features Nominal Voltage 3.7V Capacity 1000mAh Lightweight and compact pouch design Rechargeable Lithium Polymer battery High energy density Low self-discharge rate Stable discharge performance Suitable for portable electronics 🔹 Technical Specifications Parameter Specification Model 803040 Battery Type Lithium Polymer (LiPo) Nominal Voltage 3.7V Fully Charged Voltage 4.2V Capacity 1000mAh Charging Method CC-CV Discharge Cut-off Voltage 3.0V Cell Type Pouch Cell Rechargeable Yes 🔹 Applications DIY electronics projects IoT devices Bluetooth modules Portable gadgets GPS devices Wearable electronics Robotics projects Power banks 🔹 Package Includes 1 × 803040 3.7V 1000mAh Lithium Polymer Rechargeable Battery ⚠ Battery color and label may vary depending on batch. ⚠ Safety Instructions Do not short circuit the battery terminals. Do not charge above 4.2V. Do not discharge below 3.0V. Use a LiPo compatible charger. Do not puncture or expose to fire. Do not charge unattended. Store in a cool and dry place.
TPA3116D2 XH-M543 120W Dual Channel High Power Original Digital Power Amplifier Board
[Amplifier Board] Build your own music system with 120 watts of stereo output. TPA3116D2 XH-M548 Dual Channel 120W Digital Power Amplifier Board is newly designed digital audio amplifier board with fine quality is practical to install and use also has good performance. It features high-efficiency class D audio power amplifier with the latest and original TPA3116D2 core technology the BTL bridge circuit is more efficient than before. This product uses the double power supply transformer with a dynamic power supply range from 12V to 24V with high efficiency small quiescent current. Additionally, it is equipped with Perfect protection functions like overvoltage protection and output current limit. Features: A strong TPA3116D2 chip is a digital power amplifier chip, with low idle loss characteristics, makes it work well and quickly. Onboard, front-facing IC to improve the input sensitivity, high-definition sound quality. It can be used for car vehicle computer speaker, family audio and video, and empty square. This product has the characteristics of loud sound, the capacitance is large, excellent sound quality. There is no solder joint on the back of the circuit board, the chip capacitors, and the solder board together, so there is no possibility of short circuit. Package Includes: 1 x TPA3116D2 XH-M543 120W Dual Channel High Power Digital Power Amplifier Board
100K Rotary Potentiometer Round Shaft Elcon
[Potentiometer] 100KΩ Rotary Potentiometer Round Shaft Elcon The 100KΩ 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 100KΩ 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: 100KΩ 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 × 100KΩ Rotary Potentiometer Round Shaft Elcon ⚠️ Note Product images are shown for illustrative purposes only and may differ slightly from the actual product. The 100KΩ value, tolerance, dimensions, and shaft length should be verified against the actual product batch before installation.
10K Rotary Potentiometer Round Shaft 3Pin Elcon
[Potentiometer] 10KΩ Rotary Potentiometer Round Shaft Elcon The 10KΩ Rotary Potentiometer Round Shaft Elcon is a reliable 3-pin variable resistor 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. The linear resistance characteristics make it particularly suitable for applications such as LED brightness control, fan speed control, motor control, and general-purpose voltage adjustment. ⭐ Key Features 10KΩ resistance value 3-pin rotary potentiometer Linear potentiometer Smooth rotary adjustment 6mm round shaft Compact 16mm body diameter Through-hole mounting Suitable for PCB and electronic circuits Useful for voltage and current adjustment Suitable for LED, fan and motor control applications Elcon brand 📋 Technical Specifications Product Type: Rotary Potentiometer Brand: Elcon Resistance Value: 10KΩ Configuration: 3 Pin / Single Gang Tolerance: ±20% Shaft Type: Round Shaft Shaft Diameter: 6mm Shaft Length: 13mm Body Diameter / Width: 16mm Total Height: 30mm 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 Arduino Projects DIY Electronics Projects Audio & Electronic Circuits 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 × 10KΩ Rotary Potentiometer Round Shaft Elcon ⚠️ Note Product images are shown for illustrative purposes only and may differ slightly from the actual product. The 10KΩ value and ±20% tolerance are based on the supplied product specifications.
Out of stockTPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W+80W
[Amplifier Board] This is TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W*2. The TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board is a popular and versatile amplifier module known for its performance and efficiency. Here are its key characteristics: Amplification: Capable of delivering 80 watts per channel (80W*2) in a dual-channel stereo configuration. Digital Amplifier: Utilizes digital amplification technology for high efficiency and reduced power dissipation compared to traditional analog amplifiers. Class-D Amplifier: Falls under Class-D amplifier topology, which offers high efficiency and low heat generation. Stereo Configuration: Provides two independent channels for left and right audio, ideal for stereo sound setups. Audio Quality: Known for delivering clear and high-quality audio output with minimal distortion. Wide Input Voltage Range: Compatible with a wide range of input voltages, providing flexibility in power supply options. Protection Features: May include built-in protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown to safeguard the amplifier and connected speakers. Compact Design: Usually comes in a compact module or board form factor, suitable for integration into various audio systems or DIY projects. Applications: Commonly used in audio systems, home theaters, DIY speaker projects, and other audio amplification applications. When using the TPA3116D2 amplifier board, connect appropriate power supplies, and take necessary precautions to optimize its performance and protect connected equipment from potential damage. Features: Dual-channel stereo configuration Output power of 80 watts per channel (80W*2) Utilizes digital Class-D amplifier technology High efficiency with reduced power dissipation Clear and high-quality audio output Wide input voltage range compatibility Built-in protection features for safety Compact and easily integrable design Input impedance: 1KΩ Input impedance: 4-8Ω Amplifier Board Suitable for various audio applications and DIY projects Package Includes: 1 x TPA3116D2 Audio Dual Channel Stereo Digital Amplifier Board 80W+80W
6S 12A Lithium Battery 18650 Charger PCB BMS Protection Board
[Lithium Battery Protection Board] Description PCB BMS 6 Series 22V 18650 Lithium Battery Protection Board is a 6 string 22V circuit power tool mostly used for solar lighting, for dedicated 18650 battery packs. It is designed for 3.7V 18650 models lithium batteries for charging, Protection from overcharge and over-discharge. Battery protection board, as the name suggests battery protection board is mainly rechargeable (Refers to the lithium battery) and protects the integrated circuit board. Lithium battery (rechargeable type) so need protection, is determined by its own characteristics. As the lithium battery, its material determines itself can not be overcharge, over-discharge, overcurrent, short circuit, and ultra-high temperature charge and discharge, so lithium battery lithium components will always follow A protective plate with a sampling resistor, and a current fuse. Application: Battery pack Consumer electronics product 12V voltage rating Power supply Power bank and charger Features/Specs: Battery: 6 Cell Overcharge detection voltage: 4.25 ± 0.025V Over-discharge detection voltage: 2.50 ± 0.08V Overcurrent Protection: 50A Working current: 12A Operating Temperature: -40~+85°C Balanced charge: None. Short circuit protection: Yes. Applicable assembly: Nominal 3.7V Batteries / 6 strings Length: 50mm Width: 32mm Height: 4mm Weight: 6gm Package Includes: 1 x 6S 12A Lithium Battery 18650 Charger PCB BMS Protection Board Note: Product Images are shown for illustrative purposes only and may differ from the actual product
JHD 16×2 Character LCD Display With Blue Backlight
[LED/LCD Display Module] If you want to add some visual output to your Arduino projects, you’ll need a display. If you need only a little to display, the LCD 16×2 Parallel LCD Display is a quite good solution. This is a Original JHD 16×2 Character LCD Display With Blue Backlight as there are many fake JHD Displays in the Market. This is a great blue backlight LCD display. It is fantastic for Arduino based project. This LCD 16×2 Parallel LCD Display with Blue Backlight is very easy to interface with Arduino or Other Microcontrollers. This is LCD 16×2 Parallel LCD Display that provides a simple and cost-effective solution for adding a 16×2 White on RGB Liquid Crystal Display into your project. The display is 16 character by 2 line display that has a very clear and high contrast white text upon a blue background/backlight. The values shown on the display can be either simple text or numerical values read by the sensors, such as temperature or pressure, or even the number of cycles that the Arduino is performing. For more displays click below, LED/LCD Display Features : 16 characters wide, 2 rows White text on the yellow background Single LED backlight included can be dimmed easily with a resistor or PWM. Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used) Specifications: Model： JHD659 B/W Display： 16×2 character Outline： 80.0×36.0×14.5 VA： 64.5×14.5 Controller： SPLC780D Character： 2.95×4.35 Driver： 1/16 LCD： STN Blue Negative Backlight： White LED Package Includes : 1 x JHD 16×2 Character LCD Display With Blue Backlight
Out of stock5V 10A SMPS – 50W – DC Metal Power Supply
[SMPS] 5V 10A SMPS – 50W – DC Metal Power Supply Non Water Proof A switched-mode power supply is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a DC or AC source (often mains power) to DC loads, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Please find out our others power supply, Click here Features/Specs: Input Voltage: AC 100 – 264V 50 / 60Hz Output Voltage: 5V DC, 10A Total Power: 50 W Protections: Overload / Over Voltage / Short Circuit Auto-Recovery After Protection Universal AC input / Full range 100% Full Load Burn-in Test Cooling by Free Air Convection High Quality and High Performance LED power supply with a metal body for hidden installation for LED lighting Design with Built-in EMI Filter, improve signal precision. No Minimum Load. Compact Size Light Weight. High Efficiency, Reliabiltiy & low energy consumption Category – Switch Mode Power Adaptor (SMPS) MTBF >50,000 hours Output Type – DC Output – 5Volts 10Amp Shell Material: Metal Case / Aluminum Base Color: Sliver IN-DOOR USE ONLY! Package Includes: 1 x 5V 10A SMPS – 50W – DC Metal Power Supply Non Water Proof Note: Product Images are shown for illustrative purposes only and may differ from the actual product.
1260110 3.7V 10000mAh Lipo (Lithium Polymer) Rechargeable Battery
[LiPo Cell] 3.7V 10000mAh Lithium Polymer (Li-Po) Rechargeable Battery – Model 1260110 Being a Lithium Polymer (Li-Po) rechargeable battery, this is a high-capacity, lightweight battery designed for applications where compact size, high energy density and good capacity-to-weight ratio are important. This 3.7V 10000mAh Li-Po battery uses a solid polymer electrolyte and is suitable for DIY and commercial applications such as power banks, GPS devices, MP3 players, FM radios, Bluetooth speakers, IoT devices and other portable electronics. This battery is Model 1260110, Grade A quality, certified and designed for high-performance rechargeable applications. ⭐ Key Features High-capacity 10000mAh rechargeable Li-Po battery 3.7V nominal voltage Maximum charging voltage 4.2V Lightweight and sleek design High specific energy and energy density Excellent capacity-to-weight ratio Flexible form factor Compact size for portable applications Grade A quality rechargeable cell Suitable for DIY and commercial applications Useful for portable electronics and battery-powered projects 📋 Technical Specifications Model Number: 1260110 Battery Type: Lithium Polymer (Li-Po) Type: Rechargeable Battery Nominal Voltage: 3.7V Maximum Charge Voltage: 4.2V Capacity: 9200mAh(Approx) Battery Chemistry: Lithium Polymer Size: 110 × 60 × 12mm Quality: Grade A Form Factor: pouch cell 🔋 Battery Characteristics Lithium Polymer batteries are known for their lightweight construction, high energy density and flexible form factor. The pouch-style construction allows the battery to be designed in various shapes and sizes, making it suitable for compact electronic devices where space and weight are important considerations. 🔧 Applications 1. Portable Power Banks External battery packs Smartphone and tablet charging systems USB-powered portable devices 2. Medical Devices Portable medical equipment Portable monitors Battery-powered medical devices 3. IoT Devices Wireless sensors Compact IoT devices Low-power wireless electronics 4. Uninterruptible Power Supplies (UPS) Small-scale portable UPS systems Backup power applications 5. DIY Electronics DIY power banks Bluetooth speakers Portable audio projects GPS projects MP3 players FM radios Custom rechargeable battery packs 🛠️ Charging & Usage Use a charger specifically designed for single-cell 3.7V Li-Po/Li-Ion batteries. The maximum charging voltage is 4.2V. Do not connect the battery directly to a 5V supply. Use an appropriate charging/protection circuit for safe operation. Avoid short-circuiting, puncturing, crushing or physically damaging the pouch cell. 📦 Package Includes 1 × 3.7V 10000mAh Lithium Polymer Rechargeable Battery Model: 1260110 ⚠️ Safety Precautions Do not overcharge or over-discharge the battery. Do not short-circuit the battery terminals. Do not puncture, bend excessively, crush or open the battery. Keep away from excessive heat, fire and direct flame. Use a suitable Li-Po charging module with appropriate protection. Inspect the battery before use; do not use if swollen, damaged or leaking. Store in a cool and dry place when not in use. Keep away from children and pets.
DC 12V 300RPM Gear Motor Centre Shaft DC Geared Motor Heavy Duty Motor for Robotics
[Gear Motor] Description: This 12V 300RPM Gear Motor can be used for heavy-duty applications, robotics, or any industrial or educational applications. It has a wide range of features for obtaining the optimal performance characteristics. 12V 300RPM Gear Motor is very easy to use and does not need expensive motor control circuitry. The 12V 300RPM Gear Motor are very popularly used in robotics applications. The gearbox of the motor helps in providing greater torque that is required to drive robotic vehicles. Based on the gearbox design the RPM and Torque of the motor will vary. Specifications: Working Voltage: 12V DC Rated RPM: 300RPM Load Current Max: 300mA No-Load Current: 60mA Torque Range: 5kg-cm (Approx) Stall torque: 28kg-cm (Approx) Features: 12V 300RPM Gear Motor comes with good-quality gear. The gearbox is sealed and lubricated with lithium grease and requires no maintenance. Although the motor gives 300 RPM at 12V, the motor runs smoothly from 4V to 12V and gives a wide range of RPM, and torque. The shaft has a hole for better coupling. Package Included: 1 x 12V 300RPM Gear Motor Centre Shaft DC Geared Motor Heavy Duty Motor for Robotics
Daly Lifepo4 8S 24V 30A Battery Management System
[Lithium Battery Protection Board] Daly Lifepo4 8S 24V 30A Battery Management System Circuit is an 8Cell in Series 24V circuit power tool mostly used for solar lighting. It is designed for lithium Batteries for charging and protection from overcharge, and Over-discharge. The battery protection board, as the name suggests battery protection board is mainly rechargeable and protects the integrated circuit board. Lithium batteries (rechargeable type) need protection, which is determined by their own characteristics. As the Orange lithium battery, its material determines itself can not be overcharged, overcharged, overcurrent, short circuit, or ultra-high temperature charge and discharge, so lithium battery lithium components will always follow A protective plate with a sampling resistor, and a current fuse. Features: State of charge calculations. Cell over-voltage and under-voltage protection. Intelligent battery balancing (passive). Fully sealed waterproof technology, with waterproof, dustproof, shockproof, anti-squeezing, and other protective functions Cable Size (AWG): 12 Charge Current(A) :30A Length (mm): 80 Width (mm): 60 Height (mm): 10 Model: 8S 24V 30A Over Discharge Detect(V) : 2.2±0.1 Over Discharge Release(V): 2.7±0.1 Overcharge Detect Voltage(V): 3.75±0.05 overcharge Release Voltage(V): 3.55±0.05 Weight (g):: 86 Operating Temperature (°C) :-20 to 70 Shipping Weight0.165 kgShipping Dimensions16 × 11 × 6 cm Package Includes: 1 x Daly Lifepo4 8S 24V 30A Battery Management System
Out of stockLCD2004 Parallel LCD Display Yellow Backlight with IIC/I2C Interface
[LED/LCD Display Module] If you want to add some visual output to your Arduino projects, you’ll need a display. If you need moderate data on display, the LCD2004 Parallel LCD Display is a quite good solution. This is LCD2004 Parallel LCD Display that provides a simple and cost-effective solution for adding a 20×4 Black on RGB Liquid Crystal Display into your project. The display is 20 character by 4 line display has a very clear and high contrast black text upon a yellow background/backlight. This is great yellow backlight LCD display. It is fantastic for Arduino based project. This LCD2004 Parallel LCD Display with Yellow Backlight is very easy to interface with Arduino or Other Microcontrollers. The values shown on the display can be either a simple text or numerical values read by the sensors, such as temperature or pressure, or even the number of cycles that the Arduino is performing. One thing to consider is you’ll waste about 8 Pins on your Arduino for the display to get working. Luckily there exists an I2C adapter that you can solder right onto the pins of the display. So all you need to connect are the I2C pins, which shows a good library and little of coding. For more displays click below, LED/LCD Display Features : 20 characters wide, 4 rows Black text on the yellow background The module can easily interface with an MCU The module is a low-power consumption character LCD Module with a built-in controller Single LED backlight included can be dimmed easily with a resistor or PWM. Can be fully controlled with only 6 digital lines! (Any analog/digital pins can be used) Package Includes : 1 x LCD2004 Parallel LCD Display Yellow Backlight with IIC/I2C Interface
2 inch Speaker 52 mm Diameter 4 Ohm 3W Speaker for DIY Bluetooth Speaker, Electronic Projects etc
[Speakers] A 2-inch (52 mm diameter) 4 Ohm 3W speaker is a small, compact audio component with specific technical characteristics. Here’s a description of this speaker: Size and Diameter: This speaker has a 2-inch size, which corresponds to a 52 mm diameter. It is relatively small and suitable for applications where space is limited or for compact audio devices. Impedance: The speaker has an impedance of 4 Ohms. Impedance represents the electrical resistance that the speaker presents to an amplifier. A 4 Ohm impedance is common and compatible with many audio amplifiers and systems. Power Rating: The speaker is rated to handle a maximum power input of 3 watts (3W). This power rating indicates the amount of electrical power the speaker can accept without damage. It’s suitable for low to moderately powered audio systems. Application: This type of speaker is used in various audio applications, including small bookshelf speakers, computer speakers, portable radios, and other compact audio devices. It’s not typically used for high-powered or professional audio setups but works well in consumer electronics. Use Cases: With its compact size and moderate power handling, this speaker is ideal for providing audio in situations where space is limited, and higher volumes aren’t required. It can be used for casual listening, background music, or as part of a portable speaker system.
![3.7v – 4V Flower Shape COB led light [ Color – Cool White ] — Power & Components](/products/3-7v-4v-flower-shape-cob-led-light-color-cool-white/front.webp)
Out of stock3.7v – 4V Flower Shape COB led light [ Color – Cool White ]
[COB LED] This Chip on Board COB Led Light is a very small and innovative product, it comes in many different Shapes and Sizes. Its mostly used where the thickness of the product is a very important consideration. This led comes with an Aluminium metal back which acts as a heat-dissipating area for the Led, as these led got hot while running, but for the safety purpose we will recommend you to attach a metallic heat sink with it or paste it on the metal surface. Plate Dimensions ( L x B x H ):- ~74mm X ~22mm X ~2mm. Name of character/shape/letters on COB plate: SHAPE Fan Blade Dimensions of Led Area ( L x B x H ) :- ~62mm X ~18mm X ~1mm. Thickness:- 2mm. Input Voltage:- 3.7v – 4V. Max Input Voltage:- 4v (More than 4v Voltage will completely damage the product ) Aluminum back as a heat sink. Package Includes: 1 x 3.7v – 4V Flower Shape COB led light [ Color – Cool White ]
1N4007 General Purpose Rectifier Diode DO-41 (Through Hole) Made RAPID
[Diode] 1N 4007 – 1A General Purpose Rectifier Axial 4007 Diode 1N4007 is a rectifier diode, designed specifically for circuits that need to convert alternating current to direct current. It can pass currents of up to 1 A, and have a peak inverse voltage (PIV) rating of 1,000 V. Characteristics: Maximum Recurrent Peak Reverse Voltage 1000V Maximum RMS Voltage 700V Maximum DC Blocking Voltage 1000V Average Forward Current: 1.0A Peak Forward Surge Current: 30A Maximum Instantaneous Forward Voltage: 1.0V Maximum DC Reverse Current At Rated DC Blocking Voltage: 5.0µA @ 25°C Typical Junction Capacitance: 15pF Typical Reverse Recovery Time: 2.0us Mounting Type: Through Hole Operating Temperature: -55°C ~ 150°C Useful Resources:
IIC/I2C Serial Interface Adapter Module ( Made In India)
[LED/LCD Display Module] This is a RoHS compliant I2C Serial LCD Daughter board that can be connected to a standard 16×2 or 20×4 Character Display Module that supports 4-bit mode. All Character Modules sold on our site support 4-bit mode, and nearly all commercially available 16×2 and 20×4 line character modules support it too. This board has a PCF8574 I2C chip that converts I2C serial data to parallel data for the LCD display. There are many examples on the internet for using this board with Arduino. Do a search for “Arduino LCD PCF8574“. The I2C address is 0x3F by default, but this can be changed via 3 solder jumpers provided on the board. This allows up to 3 LCD displays to be controlled via a single I2C bus (giving each one it’s own address) Specifications and Features: 5V power supply. Serial I2C control of LCD display using PCF8574. Backlight can be enabled or disabled via a jumper on the board. Contrast control via a potentiometer. Can have 8 modules on a single I2C bus (change address via solder jumpers)address, allowing. Size ：41.6 x 19.2 mm. Package Includes: 1 x IIC/I2C Serial Interface Adapter Module
220uf / 25v Electrolytic Capacitor-Keltron
[Through Hole Capacitor] The KELTRON 220uF 25V Electrolytic Capacitor is a high-quality aluminum electrolytic capacitor designed for filtering, coupling, decoupling, and energy storage applications in electronic circuits. It is widely used in power supplies, audio amplifiers, control circuits, and industrial electronic equipment. In addition, the capacitor effectively smooths DC voltage and suppresses unwanted electrical noise. As a result, it helps improve circuit stability and overall system performance. Because of its 220uF capacitance value, the capacitor provides reliable energy storage and transient suppression for low-voltage electronic circuits. Furthermore, the 25V DC rating makes it suitable for various power supply and signal processing applications. The radial lead design allows easy PCB installation and secure mounting. Moreover, KELTRON capacitors are known for their dependable performance, long operational life, and stable electrical characteristics. This capacitor is commonly used in audio amplifiers, SMPS power supplies, battery chargers, LED drivers, inverter circuits, and DIY electronics projects. 🔹 Key Features Genuine KELTRON capacitor High-quality aluminum electrolytic construction 220uF capacitance value 25V DC rated voltage Excellent filtering and decoupling performance Low leakage current Long operational life Easy PCB mounting Suitable for power supply and audio applications 🔹 Technical Specifications Brand: KELTRON Product Type: Electrolytic Capacitor Capacitor Type: Aluminum Electrolytic Capacitance: 220uF Rated Voltage: 25V DC Tolerance: ±20% Mounting Type: Through-Hole (Radial Lead) Polarized: Yes Lead Type: Radial Operating Temperature: Up to 105°C (Series Dependent) Application: Filtering, Decoupling, Energy Storage 🔹 Applications This capacitor is suitable for: Power supply filtering Audio amplifier circuits SMPS power supplies LED driver circuits Battery chargers Inverter circuits Industrial electronics DIY electronics projects Electronic repair applications 🔹 Package Includes 1 × KELTRON 220uF 25V Electrolytic Capacitor
TPA3116D2 XH-M543 120W Dual Channel High Power Digital Power Amplifier Board
[Amplifier Board] Build your own music system with 30- 120 watts of stereo output. TPA3116D2 XH-M548 Dual Channel 30-120W Digital Power Amplifier Board is newly designed digital audio amplifier board with fine quality is practical to install and use also has good performance. It features high-efficiency class D audio power amplifier with the latest and original TPA3116D2 /TPA 3110 core technology the BTL bridge circuit is more efficient than before. This product uses the double power supply transformer with a dynamic power supply range from 12V to 22V with high efficiency small quiescent current. Additionally, it is equipped with Perfect protection functions like overvoltage protection and output current limit. Features: A strong TPA3116D2 / TPA 3110 chip is a digital power amplifier chip, with low idle loss characteristics, makes it work well and quickly. Onboard, front-facing IC to improve the input sensitivity, high-definition sound quality. It can be used for car vehicle computer speaker, family audio and video, and empty square. This product has the characteristics of loud sound, the capacitance is large, excellent sound quality. There is no solder joint on the back of the circuit board, the chip capacitors, and the solder board together, so there is no possibility of short circuit. Package Includes: 1 x TPA3116D2 XH-M543 30-120W Dual Channel High Power Digital Power Amplifier Board
Out of stock74HC04 Hex Inverter IC (7404 IC) DIP-14 Package
[Logic Gates IC] 74HC04 is Hex Inverter NOT gate IC. It consists of six inverters which perform logical invert action. output of an inverter is complement of its input logic state i.e. when input is high its output is low and vice versa. device contains six independent gates each of which performs logic INVERT function. Operating voltage is 5V, high-level input voltage is 2V, and low-level input is 0.8V. Contains absolute maximum ratings over operating free-air temperature range, recommended operating conditions, electrical characteristics over recommended operating free-air temperature range. Features:- 6 Hex Inverters in a 14-Pin DIP Package Outputs Directly Interface to CMOS, NMOS and TTL Large Operating Voltage Range Wide Operating Conditions Specifications:- Type: DIP Bipolar Voltage Rating: 4.75 to 5.25V Current Rating: Max. 16mA Output Temperature Rating: 0 to 70Deg C Number of: 14 Pins Mounting: Through Hole
60/40 Solder Wire 50g 22 SWG Tin Lead Soldering Wire for Electronics Repair
[Soldering Tools] The 60/40 Solder Wire 50g (22 SWG) is a high-quality soldering wire specially designed for professional electronics manufacturing, PCB assembly, electrical maintenance, and DIY repair work. Manufactured using a 60% Tin (Sn) and 40% Lead (Pb) alloy, it offers excellent electrical conductivity, mechanical strength, and easy solderability. The solder wire provides excellent wetting performance by reducing oxidation during soldering, allowing it to flow smoothly over copper pads, component leads, and electrical terminals. As a result, it produces bright, strong, and durable solder joints with minimal residue. Because of its 22 SWG wire diameter, the solder wire is ideal for general-purpose soldering, including PCB assembly, cable joints, connectors, switches, LEDs, and electronic components. Furthermore, it melts quickly, produces very little smoke and spatter, and provides excellent bonding performance. This solder wire is suitable for both beginners and professional technicians using standard soldering irons and soldering stations. 🔹 Key Features 60% Tin / 40% Lead alloy 22 SWG solder wire Fast melting characteristics Excellent solderability Bright and strong solder joints Low residue after soldering Minimal smoke and spatter High electrical conductivity Ideal for electronics and electrical repairs Long shelf life 🔹 Technical Specifications Product Type: Tin Lead Solder Wire Alloy Composition: 60% Tin (Sn) / 40% Lead (Pb) Wire Gauge: 22 SWG Approximate Wire Diameter: 0.71 mm Net Weight: 50g Melting Temperature: Approx. 183°C – 190°C Color: Silver Application: Manual Soldering Suitable For: Electronics & Electrical Components 🔹 Applications This solder wire is suitable for: PCB assembly PCB repair Mobile phone repair Electronic circuit repair Arduino projects Robotics projects Electrical wiring LED lighting repair Connector soldering DIY electronics Hobby projects Laboratory applications 🔹 Package Includes 1 × 60/40 Solder Wire 50g (22 SWG)