Boards & Shields

1. The PCB design is simple and beautiful, the wiring is reasonable, the signal-to-noise ratio is high, and the anti-interference ability is strong2. LED indicator, real-time monitoring of power status3. The input and output terminals are made of pure...

1. Output range: 0-20mA, 4-20mA, 0-22mA, 0-1V, 0-5V, 0-10V, 0-2.5V, 0-3.3V, -5V to 5V, 1-5V, 2- 10V, etc. can be switched and adjustable.2. Display mode: actual current/voltage signal value display, 0.0-100%, 0.0-50.0(Hz), switchable.3. The user can set...

1. Size: 6.8CM x 2.1CM2. Main chip: NE5553. Working voltage: DC 12V/5VFeatures:1. The relay time delay and power supply is connected.Specific as follows: for 12V/5V power supply to the relay, relay not immediately and absorption, relay the output status...

1. Reverse connection protection, positive and negative poles connected to the wrong not work, can well protect the governor2. Fixed mounting lugs, easy installation3. Working voltage: DC 9V-60V4. Output voltage: linear under load5. Continuous current:...

1. Input voltage: 2-24V2. Output voltage: 3-30V (note: the USB port is directly connected to the output port, which is an adjustable voltage port of 3-30V, not a 5V port. When connecting a 5V device, please confirm the output voltage of the USB port to...

1. Dimensions: 35x16.6x2.5 mm2. Upper limit working current: 3A3. Upper limit instantaneous current: 5A4. Overcharge voltage range: 4.28V +/- 0.05V5. Over discharge voltage range: 2.9V +/- 0.05V6. Quiescent current: less than 3uA7. Charging voltage: 8...

1. Two sets of 3.3V and 5V DC output pins are on board, which is convenient for external use2. The upper and lower two channels are independently controlled, which can be switched to 0V, 3.3V, 5V3. Output current: Less than 700ma4. Output voltage: 3.3V,...

1. Size: 6.8CM x 2.1CM2. Main chip: NE5553. Working voltage: DC 12V/5VFeatures:1. The relay time delay and power supply is connected.Specific as follows: for 12V/5V power supply to the relay, relay not immediately and absorption, relay the output status...

1. Using Bluetooth 5.0 master chip, JL6925A, true stereo 5.0 chip. Good sound quality 2. Support automatically back to connect function, support to decode WAV/APE/FLAC/MP3 files losslessly, support to output stereo. Specifications 1. Power Supply: 3...

Features1. Using Bluetooth 5.0 main control chip, good transmission effect and high stability 2. With button control, there are control up and down music, volume addition and subtraction, playback, pause, switch machine, etc., and reserved high and low...

Features1. Using Bluetooth 5.0 main control chip, good transmission effect and high stability 2. With button control, there are control up and down music, volume addition and subtraction, playback, pause, switch machine, etc., and reserved high and low...

1. Produced with precision components, low power consumption, no switch, can work after plugging in the power supply, with colorful breathing lights2. Acting on the space environment, it can relax people's body and mind, improve the body perception of...

1. Working voltage: 3.3-30V2. Frequency range: normal mode 1Hz-150KHz, fine mode 1Hz-15KHz3. Signal load capacity: the output current can be around 5-30mA4. Output amplitude: PWM amplitude is equal to supply voltage5. Suitable for opening size: about 7...

1. Arduino can simply use sensors and connect various electronic components (such as LED lights, buzzers, buttons, photoresistors, etc.) to make a variety of interesting works.2. Main control chip: ATMMega328P3. SRAM: 2KB4. Working voltage: 5V5. Analog...

1. Power supply current: 0-20mA2. Power supply voltage: 0-10V3. Power supply voltage: 7-36V4. Packaging: Static Bag5. Features: Wide supply voltage range, support multiple ranges, high stability, good linearity, high-precision color ring resistance, high...

1. Small size, easy to operate2. High current resistance, anti-reverse connection, safe wiring3. Set parameters, power off, long-term memory4. Support acceleration and deceleration functions can be set through the menu5. Scope of application: motor8...

1. Temperature measurement range: -20-60 degrees Celsius2. Humidity range: 0-100 percent RH3. Detection probe: Integrated sensor4. Output type: relay output5. Output capacity: up to 10A6. Power supply voltage: DC 6-30V7. Suitable for opening size: about...

1. Input voltage: 8-60V2. Input current: 0-15A3. Output voltage: 10-120V4. Output current: 0-15A5. Power: 900W6. Working frequency: 150KHz7. Short circuit protection: 20A fuse8. Control mode: digital control + digital tube display9. Voltage...

1. Using 64-bit quad-core ARMA processor, it is very suitable for low energy consumption and high computing performance applications2. Camera interface design, with dual camera function3. Provide 472GFLOPs, quickly run modern AI algorithms, and can also...

1. Using 64-bit quad-core ARMA processor, it is very suitable for low energy consumption and high computing performance applications2. Camera interface design, with dual camera function3. Provide 472GFLOPs, quickly run modern AI algorithms, and can also...

1. This is a cloud intelligent hardware development board kit, simple and cost-effective 2. Use EMC's witty cloud SDK to quickly realize the secondary development 3. The DEMO board can use mobile phone to control the panel mount of RGB colorful lights...

1. Material: plastic, metal 2. Size: 3*3*2cm 3. Weight: 15g

1. Input voltage range: 4-40V DC; 2. Output voltage range: 1.25-37VDC adjustable; 3. Output current: 2A; 4. Voltmeter range: 0 to 40V, error +/-0.1V; 5. Input reverse polarity protection; Built in output short protection function; 6. Built in thermal...

1. In resistance tester circuit, it is necessary to adjust the potentiometer to balance the resistance tester. Under the influence of temperature, humidity and vibration impact, the position and specifications of the potentiometer will be changed when...

Features1. Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module2. Low-power dual-core 32-bit CPU for application processors3. Up to 240MHz, up to 600 DMIPS4. Built-in 520 KB SRAM, external 4M PSRAM5. Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC6...

1. Input voltage: 4.5-8V (micro-usb input can be used directly)2. Support battery: 3.7V lithium battery3. Charging current: 1A (MAX)4. Output voltage: 4.3V-25V (continuously adjustable)5. Output current/power: 5V 1.4A, 9V 0.8A, 12V 0.6A, 24V 0.3A6...

Electrical characteristics1. The maximum output current: 2 a2. The input voltage: 2 v ~ 24 v3. The maximum output voltage: 28 v4. Efficiency: 93%Mechanical propertiesProduct size: 36 mm X 17 mm X 14 mmMethod of useThe module of the IN+ and - after 2~24v,...

1. Working voltage: 5 12V2. Board size: 29 (mm) x12 (mm)3. Chip: NE555 chip on board4. Resistance: adjustable5. Packing: static bag

1. Battery powered, no voltage ripple, more accurate output frequency2. Polymer lithium battery with overcharge/overdischarge/overcurrent protection3. Small size, easy to use, good effect4. Power supply: 5V Micro USB interface charging cable5. Battery:...

Overview Due to the advantages of ultra-low power consumption, wide viewing angle, and clear display without electricity, it is an ideal choice for applications such as shelf labels and industrial instruments. Features 1. Without backlight, the last...

Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...

Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...

Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...

Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...

1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...

1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...

1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...

1. Low-power SoC equipped with RISC-V 32-bit single-core processor, clocked at up to 160MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)3. 400KB SRAM and 384KB ROM, and 4MB onboard flash memory4. Castle-shaped module and on-board...

1. Low-power SoC equipped with RISC-V 32-bit single-core processor, clocked at up to 160MHz2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)3. 400KB SRAM and 384KB ROM, and 4MB onboard flash memory4. Castle-shaped module and on-board...

1. Equipped with Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency2. Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)3. Built in 512KB of SRAM and 384KB ROM, onboard 4MB Flash memory and 2MB PSRAM4. Castellated module...