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Power questions for project to add a Shutdown button / LED to Raspberry Pi

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Hi

I'm planning a simple project to add a shutdown button to a Raspberry Pi. Basically, when a button is pressed and held for a couple of seconds the Pi will issue a shutdown command.

For feedback I'm thinking something along the lines of, once the button press is detected I want to light an LED and, once the time held has been reached to issue the shutdown command, light another LED (or probably change the colour using an RGB LED).

I might add a small buzzer when the button is pressed...

Power questions for project to add a Shutdown button / LED to Raspberry Pi

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