/soft-power-button-raspberry

Instruction and script to easily install a soft power button on Raspberry Pi

Primary LanguageShellMIT LicenseMIT

Soft power button for Raspberry Pi

Easily install a soft power button on Raspberry Pi

Background

Like ATX Power supply purpose on PCs, we need to avoid corrupted or lost data when turning off devices with embedded operating system environments. So, this is a simple way to install and use a similar resource for Raspberry Pi with Raspbian.

Requirements:

  • Raspberry Pi with Raspbian
  • Push-button (with or without LED)

If your button have LED use a resistor to drop-down current
Use this to calculate the resistor value: https://www.hobby-hour.com/electronics/ledcalc.php

Hardware connection

gpio

In my specific case the resistor needed was 330 Ω

Install

  • Run in Raspberry Pi Terminal:
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/alexandremendoncaalvaro/soft-power-button-raspberry/master/install.sh)"

  • Reboot Raspberry Pi

  • Done!

Usage

Like in modern PCs, just press the power button to turn it on or off.

References

https://macrofab.com/blog/power-control-product-starting-stopping-electrons/
https://howchoo.com/g/mwnlytk3zmm/how-to-add-a-power-button-to-your-raspberry-pi
https://github.com/Howchoo/pi-power-button
https://gist.github.com/massimomusante/a7a6976654cb832ca7b523e903b0209e
https://gist.github.com/massimomusante/fbc2cf5170be469f7cecb96963f61eae