SIM808 GPS-GSM-GPRS Module Vibration Sensor Module (801S) 3V side will show up

3V side will show up on the Hx pin on the 5V side as 5V

It communicates with microcontroller via UART port

all the cathode connections of the LED segments are connected together to 'logic 0' / GND

Programmable load current

SIM808 GPS-GSM-GPRS Module Vibration Sensor Module (801S) 3V side will show upIntroduction : GPRS GSM GPS Shield based on the SIM808 GSM GPRS GPS all in one cellular phone module. You can add location tracking, voice, text, SMS and data to your project. This shield fits yourArduinoor , it is easy to use. This shield fits right over your Arduino or compatible. IT is a powerful GSM cellular module (we use the latest SIM808) with integrated GPS. This board based on the latest SIMCOM SIM808 GSM GPS module, it offers cellular GSM