The Arduino is programmed to mimic a keyboard, so the datalogging is achieved by allowing the Arduino to ‘type’ the data into an open Excel spreadsheet.

They used the webaudio API to send serial data to a remote Arduino. The hack uses a FET, a capacitor, and a few resistors. They didn’t quite build a real modem with the audio.

Berlin, 24th August 2012.- In conjunction with Arduino, Telefónica is presenting a new version of the Arduino GSM/GPRS Shield project at the Campus Party in Berlin. The project added a GPRS/GSM ...