On my next saber I will be using a buck puck and toy hasbro sound card combo like I did on my last one, but I would like to get a 3V relay instead of a 5V. As the battery power drains the 5V relay doesn't repsond as well. Do-Clo recommended a 3V relay for such a problem. I got my 5V from radio shack, but they don't have any 3V relays. I went to digikey and mouser. There selection is huge. I plan on searching through it all, but I was wondering if anyone has used one before, and could recommend one.