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These questions refer to the initial starting up of the Raspberry PI.
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Turn on raspberry PI from an input GPIO pin without ground
RA boot normaly and I set one of it's pin High or low with a script. this pin on RA is connected to a pin on RB and I want RB to only boot when this pin is High. … boot. …
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halt the raspberry when power supply connected but not when GPIO3 is shorted to ground
But is there a way to differentiate a normal boot with power supply from a boot after a halt ? I want my raspberry to only work when booted with GPIO3. … I've seen that it is possible to run commands in the rc.locale file, could I put "sudo halt" in that file, of will that never allow me to boot ?
Thank you for your time …