Hello all, I have an electronic ignition system for an R/C gas engine and want to monitor the voltage on the battery that powers the sparks, so that I can know when to stop flying and change the batteries. Obviously, I cannot connect an Arduino on the same power supply as the ignition system (the s…

Common Ground but Different High Voltage Sources: Electrical Noise?

system May 16, 2014, 12:13am 4

Thanks guys!

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