Veteran author Mike Cook aka Grumpy Mike has been making things to add onto computers since 1981. From his iconic Body Building series in the Micro User magazine to the recent 50+ run of projects for the Raspberry Pi in the MagPi magazine, his published articles number way over 400 to date.

Here Mike shows off one of his latest creations the LED racer (see photo) with a unique controller made from a dynamo torch. Come along and have a go.

Mike’s Github – https://github.com/Grumpy-Mike

Mike’s Website – http://www.thebox.myzen.co.uk/Raspberry/Punnet.html