The whole circuit is built on top of a battery clip so it can be run straight from the top of a standard 9 volt battery ... consider this capacitive imaging hack. Video after the break.

like i promised, i put together a slick little case to finish this hack off right ... which will give your 9 volt a longer battery life. the best part is that it’s easier and cheaper to ...

What stands out in this report is the demonstration of a unique adhesive used to seat its battery. The adhesive can be ...