shutdown-button
There are 5 repositories under shutdown-button topic.
aurasphere/pi-shutdown
Shutdown/reboot(/power on) Raspberry Pi with a push button (normally closed or open)
fierceoj/bye-pi
A few options for a Raspberry Pi shutdown button
zSavT/Zawarudo-shuttodowneru
Arrow dió brandó tū shut down youru pc with zawarudó.
moonbuggy/GPIO-power-switch
A low-side MOSFET switch controlled by a button and GPIO signals