Hi, I need to apply a DC voltage to a pair of electrodes, that will switch (+ turns to - and viceversa) every x seconds, the current design I have uses a 555 timer, but I would like to use an Arduino UNO instead. Any ideas? Would I still need relays for switching the output, or is there a built in f…

Switching voltage application

system October 26, 2012, 1:52pm 2

You haven't told us enough information to properly answer the questions.

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