Raspberry Pi Power Supply Checker

A sensor for Home Assistant that checks your power supply and reports back to your setup this simple sensor reports values from the kernel and if it reports anything else then 0 then there are issues with the power supply.

Breaking change: this project went from sensor to binary_sensor.

• Manually download and install the files from the aforementioned URL into your custom_components\rpi_power
• Modify your config.yaml and make sure that - platform: rpi_power is under binary_sensor: section (create if missing) instead of sensor: (that's the breaking change the author is referring to in the readme)
• Restart Home Assistant
• Replace in your lovelace cards / automations / scripts / whatever... any mention to sensor.rpi_power_status by binary_sensor.rpi_power_status

For more information about Raspberry Pi Power supplies check the following link.

Getting started

⚠️ This requires kernel 4.14 or higher.

Place the component at this location on your setup:

• Home Assistant (former Hass.io): /custom_components/rpi_power/binary_sensor.py

• Home Assistant Core / Hassbian / Other: <config directory>/custom_components/rpi_power/binary_sensor.py

  _init_.py and manifest.json needs to be in the same folder

and then restart Home Assistant to make sure the component loads.

Here is a list of the current values the component checks for:

Value	Description
0	Everything is working as intended
1000*	Under-voltage was detected, consider getting a uninterruptible power supply for your Raspberry Pi.
2000*	Your Raspberry Pi is limited due to a bad power supply, replace the power supply.
3000*	Your Raspberry Pi is limited due to a bad power supply, replace the power supply.
4000*	Your Raspberry Pi is throttled due to a bad power supply this can lead to corruption and instability, please replace your charger and cables.
5000*	Your Raspberry Pi is throttled due to a bad power supply this can lead to corruption and instability, please replace your charger and cables.
8000*	Your Raspberry Pi is overheating, consider getting a fan or heat sinks.

Due to how custom_components are loaded, it is normal to see a ModuleNotFoundError error on first boot after adding this, to resolve it, restart Home Assistant.