I'm replacing the relay logic of an old flipper with arduino uno. My first idea was not to totally replace the logic but just some functions. The relay logic is based on relays (of course) and motor operated cams contacts. In addition there are big solenoids to reset flags and move flipper fingers. …

how to shield arduino uno from external mag fields?

Gandys October 2, 2017, 1:16pm 8

Diodes are needed it that kind of circuit to use it safe

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