My latest arduino project is based on the IR sensor Tom is using as part of his IR robot project. However I don’t want to go down the same route of building a robot that just follows an IR LED around.
Bottom is a IR led and a switch connected to a CR2023 cell holder. Above is the Arduino project, which at present just picks up the IR led and turns on a blue LED. But it is early days yet.
I will try and bring this to the next jam.