If you enjoy building projects using the Arduino platform and Arduino shields you might be interested in a new device called the Dr Duino which has been created by Guido Bonelli. Simply positioning ...
In the quest for a diy laser cutter made from DVD burner parts (that hack’s still in the works) this guy ended up with a junk box full of optical-drive leftovers. He put some of that surplus to good ...
A teacher I know is stuck, with only npn transistors in the supply cupboard and the need to create a reversible motor drive for an Arduino project. Reversing ‘bridges’ have four switches (relay ...