if you want to show it us you have to post it in an atachement
if you intressted to get one look on google
if you want that we help you out on your quest that what so far did you do already and ask it in a polite way will defenetly help to get better responses
after you figure all this out you might have a technical question that we might considder to help you on
Look at the site How stuff works and after that start studying electronics if you wan't to make one your self
At that time it's apropriat to post a question here