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Topic: On & Off Switch (Read 778 times) previous topic - next topic


I'm almost done with my LM35 temperature sensor project and need to make an on & off switch.  What is the best way to do this?
Do I put the switch on the positive side or the negative side?
Also is there a way to turn the entire Arduino on & off if using a wall plug that will always be plugged in but not easily accessible?


I think sv1 will switch the power from the plug to the serial/usb port. You could replace this with a switch.

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