Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino. Who Won and Lost in Trump’s Tax Bill Scientists tracking ‘interstellar’ object that has come ...

That said, it’s pretty easy to build using an Arduino, a GSM shield, a GPS system, and a handful of other components. The whole system is strapped and locked to the bottom of the saddle.

The system uses an Arduino Uno, a GSM shield, a GPS module, and a few other smaller parts. The idea here is pretty simple: you hide the Arduino somewhere in the car, hook it up to the battery, and ...