RaspberryPi power switch with led

A power switch with LED to graceful shutdown or if wanted power up the RaspberryPi.
I use the RaspberryPi 3 with Octoprint in combination with my CR10S printer. By using this power switch I can graceful shutdown the RaspberryPi.
An additional benefit is that the control unit of the CR10S was powered on via the USB port of the Pi, even when the control unit was not powered. By using this power switch the Pi is not powering the control unit anymore when in halt modes (shutdown -h).

The power