Electronic Brick - Big Button
Electronic brick of button switch is finger-sized, which can be connected to I/O port of main board or externally disconnected to check the switch state so as to control..
Mini analog keypad V2
This keyboard uses an analog input to read the five key state which saves IO resource for the Arduino. It can be used together with our I/O expansion boards to make amazing inte..
Sonoff - WiFi ESP8266 Wireless dual Smart Switch - 220V
Sonoff is a cost effective smart home solution designed around the popular ESP8266 WiFi wireless module that can connect to appliance of differ..