I started experimenting with [Wayback/Archive] GitHub – DanielStormApps/Fanny: Monitor your Mac’s fan speed and CPU/GPU temperature from your Notification Center. · GitHub and [Wayback/Archive] Fanny Widget for macOS.
For homebrew users (aren’t all MacOS users using this great package manager)
brew install --cask fanny
Soon I found out this does not work for M1 MacBook machines (no matter if it is regular, Air, or Pro): no temperatures are read and fan speeds fluctuate heavily. I’m not alone in this, M1 support is not there and won’t be there – there have not been any updates to the repository since 20200502 and issues like these are still open:
