Is there a way to switch on and off the arduino with a simple button and a transistor? I came out with the following schematic (attachment). (on) Would be an output PIN of VCC when the arduino starts (so you don't need to keep pressing the button, because the arduino does that job) (off) Would be…

Transistor + Arduino (Extream sleep mode of 0mA)

tsunamy_boy April 11, 2014, 9:25pm 12

p-channel is the same of a transistor?
What's the difference?

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