Arduino Uno R3. I have a somewhat simple circuit of buttons and lights in which I've complicated by increase distances and added components. Basically a user presses a button which triggers a light to flash and a buzzer to sound in another room. Everything is hard hard wired in and out of a junctio…

Arduino Issue? Spontaneous trigger

dlloyd October 6, 2016, 7:25am 7

Looks like a good application for an optoisolator.

An alternative ...

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