What is it?

The SIM808 Shield plugs in a standard Arduino mega 2560 board and has the following features

Hosts the Sim800 module Own Power regulator on board I2C LCD using standard 5v -sda -scl - gnd connection I2C RTC using standard 5v -sda -scl - gnd connection SPI SD CARD interface 3v3 supply - using standard sd library

7 analog inputs with 5v protection 1 analog dc input able to measure up to 40v using r to r network 2 digital analog inputs -

2 extra jumpers between Digital i/o lines for menu parameters.

Why did you make it?

I needed a Board to interface the sim808 module to the mega 2560

What makes it special?

This board is universal as it can be used for any project. Sim808 supports GSM, GPS, GPRS, Blutooth.

Supplied as Bare Board , with schematic sheet and bill of materials .