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Electronics, sensors, robotics kits, PC components, peripherals — everything Unik Systems carries, in one place.
Arduino Plug & Play
Controller: Arduino UNO/Nano compatible (ATmega328P), 5V logic. Interfaces: Digital I/O, PWM, Analog In, I2C/SPI/UART. USB programming. Plug-and-play sensor ports (JST/RJ/3-pin). Power: USB 5V / DC 7–12V (if UNO).
Arduino UNO
Hardware development board (SMD/DIP). ATmega328P, 14 digital I/O, 6 analog, USB-B.
Digital Multimeter
7 functions, 19 ranges. DC voltage 200mV–1kV, AC voltage 200–750V, DC current 200µA–10A, resistance 200–2MΩ, transistor & diode test.
ASUS Dual Radeon RX 7600 EVO OC Edition 8GB GDDR6 Graphics Card
[Graphics Card] ASUS Dual Radeon RX 7600 EVO OC Edition 8GB GDDR6 Graphics Card The ASUS Dual Radeon RX 7600 EVO OC Edition combines dynamic thermal performance with broad compatibility. Advanced cooling solutions from flagship graphics cards — including two Axial-tech fans for maximizing airflow to the heatsink — are packed into the 22.8 cm long, 2.5-slot card, delivering more power in less space. ⭐ Key Features - Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure - 0dB technology lets you enjoy light gaming in relative silence - Dual ball fan bearings can last up to twice as long as sleeve bearing designs - A 2.5-slot design allows for greater build compatibility while maintaining premium cooling - Auto-Extreme precision automated manufacturing for higher reliability - GPU Tweak III software provides intuitive performance tweaking, thermal controls, and system monitoring 📋 Technical Specifications - Graphic Engine: AMD Radeon RX 7600 - Bus Standard: PCI Express 4.0 - OpenGL: OpenGL 4.6 - Video Memory: 8GB GDDR6 - Engine Clock: OC mode up to 2745 MHz (Boost Clock) / 2340 MHz (Game Clock) - Stream Processors: 2048 - Memory Speed: 18 Gbps - Memory Interface: 128-bit - Resolution: Digital Max Resolution 7680 x 4320 - Interface: 1x HDMI 2.1a, 3x DisplayPort 1.4a (HDCP 2.3 Support) - Maximum Display Support: 4 - Recommended PSU: 550W - Power Connectors: 1 x 8-pin - Dimensions: 228 x 123 x 49 mm (2.5 Slot) 🎯 Applications - 1080p and 1440p high-framerate competitive esports and AAA gaming - Content creation with AV1 hardware encoding - Compact Micro-ATX and Mini-ITX small form-factor gaming builds 📦 Package Includes - 1 x ASUS Dual RX 7600 EVO OC 8GB Graphics Card - 1 x Collection Card & Speedsetup Manual
Arduino Mega
Development board. ATmega2560, 54 digital I/O, 16 analog, perfect for big projects.
PIR Motion Detector Module
Outputs high digital pulse when motion is detected.
Touch Sensor TTP224 (4 channel)
TTP224 capacitive touch controller: 4 touch inputs → 4 digital outputs. 2.4–5.5V. Sensitivity adjustable.
Only 2 leftLogitech Brio 4K
Premium 4K webcam. RightLight 3 with HDR, 5× digital zoom, Windows Hello support.
Only 2 leftCorsair HX1200i (1200W, 80+ Platinum, Digital)
1200W fully modular, 80+ Platinum, software-monitored rails. Halo PSU for dual-GPU / extreme overclocking. 10-year warranty.
Out of stockDeepcool CH510 Mesh Digital
Mid-tower ATX, mesh front, front-panel temperature display. Solid budget pick.
Out of stockSoldering Station 60W (936 type)
60W station, digital display, 200-480°C, ESD-safe. Hakko-936 clone.
Out of stockDigital Multimeter DT-830D
Basic 3½ digit DMM, DC/AC voltage + current, resistance, hFE, diode test. Probes included.
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
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.
Out of stockGold AP-55 TPA3116D2 2×50W Bluetooth Stereo Digital Amplifier Board with USB, TF Card, FM & Remote
[Amplifier Board] Gold AP-55 TPA3116D2 2×50W Bluetooth Stereo Digital Amplifier Board with USB, TF Card, FM & Remote The Gold AP-55 is a compact Class-D stereo digital audio amplifier board based on the TPA3116D2 amplifier IC, designed for DIY Bluetooth speakers, home audio systems, portable speakers, bookshelf speakers, multimedia systems, and custom audio projects. Available product listings consistently identify the AP-55 as a dual-channel 50W + 50W amplifier, with a DC input range around 8–24V or 12–24V depending on the listing/version. The AP-55 combines the power amplifier with a multimedia player supporting Bluetooth 5.0, USB, TF/SD card, FM radio and AUX input. The Bluetooth device name is reported as GD-82EM, while the FM tuner covers 87.5–108.0MHz. It also includes an infrared remote control and a digital display for convenient operation. The TPA3116D2 Class-D amplifier provides efficient stereo amplification, making the board suitable for building compact but powerful audio systems. One detailed listing specifies support for 4Ω–8Ω speakers, with the commonly advertised maximum output of 50W per channel. ⭐ Key Features Gold AP-55 amplifier module TPA3116D2 Class-D amplifier IC 50W + 50W dual-channel stereo output Supports 4Ω–8Ω speakers Bluetooth 5.0 wireless audio Bluetooth device name: GD-82EM Built-in USB music player Built-in TF / SD card player Built-in FM radio FM frequency range 87.5–108.0MHz 3.5mm AUX input Infrared remote control Digital display Supports MP3 / WMA / WAV Power-off memory function Remembers the previous song and volume Compact design for DIY speaker projects High-efficiency Class-D amplification 📋 Technical Specifications Product Type: Stereo Class-D Digital Amplifier Board Model: Gold AP-55 Amplifier IC: TPA3116D2 Amplifier Class: Class-D Number of Channels: 2 / Stereo Output Power: 50W + 50W Maximum Total Output: 100W Speaker Impedance: 4Ω–8Ω Input Voltage: DC 8–24V (some listings specify 12–24V; verify the exact board version before use) Bluetooth Version: 5.0 Bluetooth Name: GD-82EM Bluetooth Range: Up to approximately 10–15m under suitable conditions Audio Formats: MP3 / WMA / WAV USB Support: Yes TF/SD Card Support: Yes FM Radio: Yes FM Frequency: 87.5–108.0MHz AUX Input: 3.5mm / Wired Audio Input Remote Control: IR Remote Remote Range: Approximately 4–7m Display: Digital Display Power-Off Memory: Yes Memory Function: Last song and volume Audio Input Modes: Bluetooth / USB / TF Card / FM / AUX Output: Dual-Channel Stereo Efficiency: Greater than 90% according to one detailed listing SNR: Approximately 102dB according to one detailed listing Distortion: Below 0.1% at normal listening levels according to one detailed listing Board Size: Approximately 70 × 50 × 20mm with shell, according to one listing 🎵 Audio & Playback Functions The AP-55 can switch between Bluetooth, USB, TF/SD Card, FM Radio and AUX sources. When Bluetooth mode is selected, users can pair a phone or other compatible device with GD-82EM. USB and TF/SD cards can be used for local music playback, while AUX provides a wired audio input. 📻 FM Radio The built-in FM tuner supports the 87.5–108.0MHz broadcast band. FM stations can be searched and selected using the onboard controls or remote control. 🎛️ Controls & Remote The module provides controls for functions such as previous track, next track, volume up, volume down, play/pause, mode selection and FM station selection. The infrared remote provides additional wireless control of playback, volume, mode and other supported functions. 🔧 Applications DIY Bluetooth Speakers High-Power Bluetooth Speaker Projects Portable Speaker Systems Bookshelf Speaker Systems Home Audio Projects Multimedia Speaker Systems USB MP3 Speaker Systems TF/SD Card Music Players FM Radio Speaker Projects Car Audio Projects Custom Wooden Speaker Cabinets Desktop Audio Systems Electronics DIY Projects 🛠️ Installation Connect a suitable DC power supply within the specified voltage range and observe the correct polarity. Connect the left and right speaker outputs to compatible 4Ω–8Ω speakers. Select Bluetooth, USB, TF/SD, FM or AUX according to the desired audio source. For maximum advertised output, a suitable 24V high-current power supply is recommended by one vendor; at lower supply voltages, available output power will be lower. 📦 Package Includes 1 × Gold AP-55 TPA3116D2 2×50W Bluetooth Amplifier Board 1 × IR Remote Control 1 × Required Connecting Wires/Cables (package contents may vary by seller/version) ⚠️ Precautions Verify the exact input voltage requirement of your AP-55 version before powering it. Do not exceed 24V DC where the board specification limits input to 24V. Check power polarity carefully before connection. Use speakers with a compatible 4Ω–8Ω impedance. Do not short-circuit the speaker output terminals. Ensure adequate ventilation during high-power operation. Use a suitable high-current power supply for high-output operation. Do not connect the speaker outputs together or directly to ground. Keep the board away from moisture and conductive materials. Incorrect wiring or excessive voltage can permanently damage the amplifier IC.
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.
ESP32-C3 Super Mini Development Board With Headers Pins
[ESP Modules] Ultra Compact • Wi-Fi & BLE 5.0 • USB Type-C • Perfect for IoT & Embedded Projects The ESP32-C3 Super Mini Development Board is a compact, feature-rich development board built around the powerful ESP32-C3 SoC from Espressif. Powered by a 32-bit RISC-V single-core processor running at up to 160MHz, it combines 2.4GHz Wi-Fi, Bluetooth 5.0 Low Energy (BLE), and low-power operation in an ultra-small form factor. Designed for IoT, smart home, wireless communication, automation, and embedded system development, the ESP32-C3 Super Mini offers 4MB Flash memory, 400KB SRAM, multiple GPIOs, ADC, PWM, UART, SPI, and I2C interfaces for connecting sensors, displays, relays, and other peripherals. The onboard USB Type-C interface simplifies programming and power supply, while the built-in USB-to-Serial functionality enables quick firmware uploading without requiring additional programmers. Fully compatible with Arduino IDE, ESP-IDF, PlatformIO, and MicroPython, it is suitable for beginners, students, makers, and professional developers. Its ultra-compact breadboard-friendly design makes it ideal for portable and space-constrained projects where performance, wireless connectivity, and energy efficiency are essential. Note: Programming, software configuration, driver installation, firmware flashing, and coding-related issues are not covered under return or replacement. Users are expected to troubleshoot software-related issues independently. ⭐ Features Powerful ESP32-C3 32-bit RISC-V processor CPU frequency up to 160MHz Built-in 2.4GHz Wi-Fi (802.11 b/g/n) Integrated Bluetooth 5.0 Low Energy (BLE) Ultra-compact Super Mini design Breadboard-friendly layout USB Type-C interface for programming and power 4MB onboard Flash memory 400KB SRAM Multiple GPIO, ADC, PWM, UART, SPI & I2C interfaces Low power consumption with Deep Sleep mode Onboard programmable LED Compatible with Arduino IDE, ESP-IDF, PlatformIO & MicroPython Ideal for IoT, automation, robotics, and wireless applications 📋 Technical Specifications Product Type: Development Board Board Model: ESP32-C3 Super Mini Microcontroller: ESP32-C3 Processor Architecture: 32-bit RISC-V CPU Frequency: Up to 160MHz Core: Single Core Flash Memory: 4MB SRAM: 400KB Wi-Fi Standard: IEEE 802.11 b/g/n (2.4GHz) Bluetooth: Bluetooth 5.0 Low Energy (BLE) Operating Voltage: 3.3V Input Voltage: 5V via USB Type-C or 3.3V External USB Interface: USB Type-C GPIO: Multiple Digital GPIO Pins Analog Input: Up to 6 ADC Channels PWM: Supported UART: Supported SPI: Supported I2C: Supported USB-to-Serial: Onboard Onboard LED: User Programmable (GPIO8) Power Consumption: Ultra Low (Deep Sleep ≈ 43µA) Dimensions: Approx. 22.5 × 18 mm Headers: Pre-Soldered 🔧 Applications Suitable for: Internet of Things (IoT) Smart Home Automation Wireless Sensor Networks Home Automation Systems Bluetooth Low Energy Devices Wi-Fi Enabled Controllers Robotics Projects Data Logging Systems Remote Monitoring Industrial Automation Portable Embedded Devices Educational Learning DIY Electronics Projects Wearable Electronics Rapid Prototyping 📦 Package Includes 1 × ESP32-C3 Super Mini Development Board Pin Headers ⚠️ Note Programming, firmware installation, software configuration, and driver-related issues are not covered under warranty, return, or replacement. Please verify board compatibility and install the appropriate development environment before programming. Soldered and non-soldered header pin depend on stock
Digital Multimeter Test Leads with Ultra Sharp Needle Probe & Banana Plug CAT III 1000V 10A for SMD
[Hook up wire] The Digital Multimeter Test Lead Kit is a high-quality replacement probe set designed for accurate electrical measurements and electronic troubleshooting. Featuring ultra-sharp stainless steel needle probes, these leads allow easy access to miniature IC pins, SMD components, PCB tracks, LEDs, and other small electronic devices without causing damage. The probes are fitted with standard 4mm banana plug connectors, making them compatible with most digital multimeters, clamp meters, bench meters, and testing equipment from brands such as Fluke, Extech, Mastech, Uni-T, Victor, Sanwa, and many more. Constructed using high-quality PVC insulated cables and durable metal probes, the leads provide excellent flexibility, low resistance, and long service life. The CAT III safety rating ensures safe operation up to 1000V with a maximum current rating of 10A, making them suitable for both electronics and electrical testing. The built-in protective finger guards improve operator safety, while the flexible cables remain tangle-free during continuous testing. These probes are ideal for laboratory work, electronics repair, field service, educational laboratories, industrial maintenance, and DIY electronics projects. 🔹 Key Features Ultra-sharp stainless steel needle probes Standard 4mm banana plug connectors CAT III 1000V safety rating Maximum current rating: 10A Flexible PVC insulated cables Accurate low-resistance measurements Comfortable insulated probe handles Durable construction for long service life Compatible with most digital multimeters Ideal for PCB, SMD, IC and electrical testing 🔹 Technical Specifications Product Type: Digital Multimeter Test Leads Probe Type: Ultra Sharp Needle Probe Probe Colors: Red & Black Connector Type: 4mm Banana Plug Cable Material: PVC Insulated Probe Material: Stainless Steel / Metal Cable Length: Approx. 83cm Total Length: Approx. 103cm Maximum Current: 10A Maximum Voltage: 1000V Safety Rating: CAT III 1000V Measurement Type: Voltage, Current, Resistance, Continuity Compatibility: Most Digital Multimeters 🔹 Compatible With Fluke Multimeters Extech Multimeters Mastech Multimeters UNI-T Multimeters Victor Multimeters Sanwa Multimeters DT830 Series DT9205 Series Most multimeters with 4mm banana sockets 🔹 Applications Suitable for: Digital multimeters PCB testing SMD component testing IC pin testing LED testing Continuity testing Voltage measurement Current measurement Electronics repair Laboratory testing Industrial maintenance DIY electronics projects 🔹 Package Includes 1 × Red Multimeter Test Lead 1 × Black Multimeter Test Lead
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.
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
MAS830L Digital LCD Multimeter with Backlight | AC/DC Voltage Current Resistance Tester
[Measuring Instruments] The MAS830L Digital LCD Pocket Multimeter with Backlight is a compact, accurate, and reliable electrical measuring instrument designed for everyday testing and troubleshooting. Built for technicians, students, hobbyists, and DIY electronics users, this multimeter supports measurement of AC voltage, DC voltage, DC current, resistance, continuity, and diode testing in a convenient handheld format. Equipped with a clear LCD display and built-in backlight, the MAS830L allows easy reading of measurements even in low-light working conditions. Its manual range selector dial provides simple and precise control over measurement ranges, while automatic polarity indication helps prevent reading errors. Designed with durability and portability in mind, this pocket-size multimeter features a strong impact-resistant body and lightweight construction, making it ideal for both field work and bench testing. The included test leads allow immediate use for checking batteries, circuits, wiring, power supplies, and electronic components. With stable performance, essential protection features, and user-friendly operation, the MAS830L is an excellent choice for electrical maintenance, electronics repair, lab experiments, educational training, and home diagnostics. Whether you are testing voltage, checking continuity, or measuring resistance, this multimeter delivers dependable results at an affordable price. ⭐ Key Features ✔ Measures AC & DC Voltage ✔ Measures DC Current ✔ Resistance Measurement ✔ Continuity Test with Buzzer ✔ Diode Test Function ✔ LCD Display with Backlight for low-light use ✔ Compact pocket-size design ✔ Manual range selection for accuracy ✔ Automatic polarity indication ✔ Lightweight and portable ✔ Ideal for beginners and professionals 🔧 Technical Specifications Model: MAS830L Display: LCD Digital with Backlight Display Count: 3½ digit (1999 count) Range Selection: Manual Polarity: Automatic indication Low Battery Indicator: Yes Measurement Ranges DC Voltage: 200mV / 2V / 20V / 200V / 600V AC Voltage: 200V / 600V DC Current: 200µA / 2mA / 20mA / 200mA / 10A Resistance: 200Ω / 2kΩ / 20kΩ / 200kΩ / 2MΩ Test Functions Continuity with buzzer Diode test Transistor hFE test (model variant dependent) Power Supply: 9V Battery (6F22) Operating Temperature: 0°C to 40°C (typical) Form Factor: Handheld / Pocket Body Material: Impact-resistant plastic 🎯 Applications Electrical troubleshooting Electronics repair & assembly Battery testing Circuit diagnostics DIY electronics projects Educational laboratories Home & industrial maintenance 📦 Package Includes 1 × Unity MAS830L Digital Multimeter 1 × Test Lead Pair 1 × User Manual (if included by batch)
QC3.0 PD 2.0 Power Bank Dual Type-C Port Two-way Fast Charging Mobile Power Bank Module
[Lithium Battery Protection Board] 📝 Description Upgrade your portable power solutions with this advanced QC3.0 PD 2.0/3.0 Fast Charging Power Bank Module, engineered for high-performance mobile power systems and professional DIY applications. The motherboard features 5 default USB interfaces — Type-C, Lightning, Micro-USB, Type-A1, and Type-A2, along with a dedicated DC input port (charge-only, no discharge) supporting 5V–12V input. This multi-interface design ensures maximum compatibility with smartphones, tablets, laptops, and other USB-powered devices. 🔌 Port & Charging Capabilities Type-C Port supports bi-directional fast charging, allowing both input and output operation. Input protocols: AFC / FCP / SCP / VOOC / PD2.0 / PD3.0 Output protocols: PPS / PD2.0 / PD3.0 / AFC / FCP / QC2.0 / QC3.0 / QC3+ / SCP Lightning Port supports PD2.0 fast-charging input Micro-USB Port supports AFC / FCP / SCP fast-charging input Type-A1 & Type-A2 Ports support Apple / AFC / FCP / VOOC / QC2.0 / QC3.0 / QC3+ / SCP fast-charging output DC Port supports 5–12V input only (charging function, no output) ⚡ Fast-Charging Performance Input Voltage Support: 5V / 9V / 12V / 15V / 20V PPS Output: 3.3V–21V / 3A PD2.0 / PD3.0 Output: 5V ⎓ 3A 9V ⎓ 3A 12V ⎓ 3A 15V ⎓ 3A 20V ⎓ 5A QC2.0 Output: 5V ⎓ 3A / 9V ⎓ 3A / 12V ⎓ 3A QC3.0 Output: 5V–12V (200mV step adjustment) AFC Output: 5V ⎓ 3A / 9V ⎓ 2A / 12V ⎓ 2A FCP Output: 5V ⎓ 3A / 9V ⎓ 2A / 12V ⎓ 1.5A SCP Output: 5V ⎓ 4.5A / 10V ⎓ 2.2A VOOC Output: 5V ⎓ 4A 🔋 Battery & Power Options Powered by 18650 or Li-polymer battery packs, the module is available in three high-power variants: 3S – 65W (GXJA0707-001) 4S – 100W (GXJA0707-002) 5S – 100W (GXJA0707-003) The built-in digital display provides real-time monitoring of voltage, current, and power status, enabling precise control and safe operation. Compact, efficient, and feature-rich, this power bank module is ideal for DIY high-capacity power banks, portable charging stations, laptop backup batteries, and custom lithium battery systems up to 25,000mAh. ⭐ Key Features ✔ Multi-Port Design: Type-C, Lightning, Micro-USB, 2× USB-A, DC input✔ Bi-Directional Type-C Fast Charging (Input & Output)✔ Supports PPS, PD2.0/3.0, QC2.0/3.0, QC3+, AFC, FCP, VOOC, SCP✔ High Power Output: 65W (3S) / 100W (4S & 5S)✔ Digital Display for Real-Time Monitoring✔ Compatible with 18650 & Li-polymer Battery Packs✔ Compact & Portable PCB Design✔ Ideal for DIY Power Banks & Professional Builds 📦 Package Includes 1 × QC3.0 PD 2.0/3.0 Power Bank Fast Charging Module(Select Variant: 3S 65W / 4S 100W / 5S 100W) 1 × Integrated Digital Display (On-Board)
Out of stockN20 3-6V 60RPM digital clock Micro Metal Gear Motor
[Gear Motor] Overview of this N20 3-6V 60RPM digital clock motor Introducing the N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor. A compact and reliable motor designed for precise and efficient time keeping device. With a specific focus on digital clock mechanisms. This motor work on 3-6V range. And also provide high performance to drive the intricate components of digital timepieces. The motor’s work on 60RPM speed & also ensure smooth movement for the best function of digital clocks. This N20 Digital Clock Motor with 60RPM gives quiet and low vibration operation. It also make it best choice for clock mechanisms where minimal noise is crucial. The metal gear construction adds durability and reliability to the motor. And also confirms that this is a long life and consistent performance over time. The N20 3-6V 60RPM Micro Metal Gear Motor gives the ideal combination of power and precision for your clock project. In summary, the N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor is tailored for digital clock applications. And also offer a versatile voltage range, precise 60RPM speed, and durable metal gear construction. Upgrade your clock projects with this reliable and efficient motor for accurate timekeeping. Features Voltage Versatility: The N20 3-6V 60RPM Digital Clock Micro Metal Gear Motor excels with its adaptable voltage range of 3-6V. And also offer flexibility for easy use in various digital clock project. Precise 60RPM Speed: Featuring a specific 60 revolutions per minute (RPM) speed. This motor also ensure precise and smooth movement in digital clocks, guarantee accurate timekeeping without any disruptions. Low Noise and Vibration: Crafted for a quiet operation, the N20 Digital Clock Motor minimizes both noise and vibration. And also provide an ideal solution for clock device where a tranquil environment is important. Durable Metal Gear Construction: The motor’s robust metal gear construction enhances durability and reliability, promising a prolonged lifespan and consistent performance for sustained and dependable timekeeping. Compact and Efficient: With its compact design. This micro metal gear motor efficiently drives clock mechanisms. It also make it best choice for digital clock projects where space efficiency is paramount. Specification Specification Details No Load Current (mA) 0.04 A Stall Current (A) 0.67 Rated Torque (kg-cm) 0.65 Stall Torque (Kg-Cm) 2.6 Motor Body Size (Diameter) (mm) 12 Operating Voltage (VDC) 3 ~ 6 Rated Operating Voltage (VDC) 6 No Load Speed (RPM) 60 Rated Speed (RPM) 60 Shaft Type D-type, Single Side Shaft Diameter (mm) 3 Weight (gm) 12 Output Axial Length (mm) 10 Fuselage w/o Shaft Length 26 Main use of this N20 3-6V 60RPM metal gear motor Digital Clock Mechanisms: The N20 3-6V 60RPM Motor is perfect for powering the precise movement of digital clock hands. And ensure accurate timekeeping in various clock designs. Robotics Applications: This motor is perfect for small scale robotics projects & provide a compact and efficient solution with precise torque for specific robotic movements. Educational Projects: Valuable for educational purposes, the N20 3-6V 60RPM Motor serves as an excellent tool for teaching basic motor mechanics, voltage concepts, and RPM principles. DIY Electronic Devices: Versatile for DIY enthusiasts, this motor is ideal for creating electronic devices like rotating displays or small gadgets, demanding controlled and consistent motion. Automated Systems: In automated systems, the N20 Motor plays a crucial role where controlled and reliable motor movement is important & contribute to the efficiency of various automated mechanisms. Package Includes: 1 x N20 3-6V 60RPM digital clock Micro Metal Gear Motor