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Installation
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GPIO 3 (SCL)
Ground
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Power Button Installation
1. Connect one wire to Pin-5 (GPIO 3/SCL) and one wire to Pin-6 (Ground).
(By pressing the power push button, shorting Pin-5 and Pin-6 momentarily,
will wake the Raspberry Pi 4 from a standstill state.)
2. To use the same power button to safely shutdown your Pi 4, you'll need
to enter a script. Open "Terminal" on Raspberry Pi 4 and enter:
sudo echo "dtoverlay=gpio-shutdown" >> /boot/config.txt
Note: The GPIO-shutdown overlay enables the Pi 4 to be shutdown when
Pin-5 and Pin-6 are temporarily shorted (when they are connected via
power button).
3. Please reboot the Pi 4.
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