Physical computing involves programming digital devices to sense and interact with the world – an engaging alternative to screen-only activity. It touches upon many areas of the computing curriculum, bringing subject knowledge and programming skills to engaging and enjoyable classroom activities.

The Crumble microcontroller, shown below, is an easy-to-use programmable device, ideal for physical computing in primary schools. It is capable of driving two motors plus 4 input / output terminals, children can connect LEDs, switches, buzzers, light sensors, distance sensors and other interesting add-ons.

Images courtesy of   www.redfernelectronics.co.uk