Ryan Castellucci (they/them) :nonbinary_flag:It's a soft power off for a raspberry pi, using the 555 as an RS flip flop. Capacitor holds the trigger low on power up to ensure the power to the Pi is off, a button connected between ground and reset boots the Pi, an GPIO on the Pi connected to the 4.7kΩ resistor drives the transistor to trip the trigger shutting off power.
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