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port of the argon one case power button and fan script for Ubuntu 20.04 on rpi 4

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Argon One installation script for Ubuntu 20.04

The Argon One requires a one-line script to be run on the Raspberry Pi using the case for the power button and fan to function correctly.

Description

The Argon One case is a solid Aluminum alloy case for the Raspberry Pi 4 that offers passive and active cooling (see https://www.argon40.com/argon-one-raspberry-pi-4-case.html).

This script has been adapted from the original installation script which is designed to work with Raspbian (Raspberry OS); the modified scripted has been developed for use with Ubuntu 20.04.

The modified script contains three changes to the original script:

  1. Switch to python3 since python2 support for GPIO has been nuked in Ubuntu 20.04.
  2. Reading the temperature cannot be done using vcgencmd, so we use the sysfs instead.
  3. Package dependencies have been adapted for Ubuntu 20.04.

Install

Feel free to review the source code of the modified script before installation.

cd /tmp/
wget https://raw.githubusercontent.com/meuter/argon-one-case-ubuntu-20.04/master/argon1.sh
chmod a+x argon1.sh
sudo ./argon1.sh

Usage

Upon installation of the Argon One Pi 4 script for Ubuntu 20.04, the setting of the Argon one Pi 4 cooling system are as follows:

CPU Temp Fan Power
55 C 10%
60 C 55%
65 C 100%

However, you may change or configure the Fan to your desired settings by using argonone-config to configure the fan behaviour.

Commands

The script will generate several scripts and config files. The main commands are

  • argonone-config to config the fan behaviour
  • argonone-uninstall to remove all the scripts and services (conf file remains though)

I also added a custom command:

  • argonone-tempmon which monitors the temperature using the Linux sysfs.

Warning

This has been developed in an afternoon and has been only tested on my Raspberry Pi 4. No issues so far, but big disclaimer nonetheless: use at your own risk.

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port of the argon one case power button and fan script for Ubuntu 20.04 on rpi 4

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