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Old 09-25-2012, 09:21 AM   #56 (permalink)
Total wreath
Join Date: Feb 2009
Location: Las Vegas

Add a piezo crystal most likely
Some sort of logic ie transistor
if some one sent me a board or pic I might be able to duplicate it if I can get the parts
I've been wanting to make some old 9v revvy boards but haven't had time
shredxcam is offline   Reply With Quote