I Just bought the SIM808 GSM/GPRS/GPS shield with an arduino Mega 2560. I have written a simple sketch shown below which I'm using to execute AT commands on my
I have created a startup Linux script for a board that runs Debian jessie Armbian 8.1. I need at startup to run at command in a modem attached to it via USB int
I am trying to send AT commands to ESP8266 to get connected with internet with the Wifi. When I am sending AT and AT+RST command on serial monitor then I am ge