I might have to explain further: I had setup the wires to the ID-20 before I inserted it onto the breadboard. This means that pin 11 on the ID-20 recieved 5V. The second time i plugged the ID-20 into the breadboard, I might have inserted it with an offset of one pin, resulting in pin 10 recieving 5V or similar...
Is the ID-20 reader gone for good? Or can I test it in some way?