Shield of relays for Arduino, with 2 channel mechanical relays and with 2 channel MOS switch , providing an easy way for applications low and high voltage control. 

The Iteaduino Uno is a microcontroller board based on the Arduino UNO.

The BLE shield has the function of adapting low-power Bluetooth as a serial port , which are specifically designed for Arduino boards and compatible boards, simple to use, simply connect and a ready is ready to be used.