The device he’s holding in the picture is an Arduino based accelerometer and distance sensor meant for the Scratch language. Scratch is a programming language developed at MIT. It has kids in ...

Step-by-step guide on designing and programming a custom I2C slave sensor device using Arduino.

set out to reduce or eliminate the barriers that keep many people from jumping into Arduino. One phototransistor to detect infrared and visible light An I2C digital temperature sensor to introduce ...