DC-DC USB antihypertensive charging module (with working indicator, standard contact gold plating socket)
Compatible with mobile phone models: Androi..
This module adopts HID technology and the quality of foreign trade without any driver. The download data has its own application, which is plugged in...
DS18B20 waterproof temperature sensor
Temperature sensor power supply voltage: 3.0V ~ 5.5VTemperature sensor resolution: 9 to 12 bits can adjust reso..
【Selling point of the motor engine】
Digital circuit board (small control), waterproof and anti -firing (with silicone rings), metal gear (not easy to..