Originally Posted by Mr.Dutch
man, how do you walk....lol
ok, bad joke, but i think he means a part like this?

but these parts might be too big to fit, the voltage need to be low as possible. (lower voltage is smaller size)
normal parts are probably 6 or 10V, and keep in mind it has a + and -
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Ok i ve just one last problem how to understand where goes + and where -