16
Timer Duration
(lazysoci.al)
Home Assistant is open source home automation that puts local control and privacy first. Powered by a worldwide community of tinkerers and DIY enthusiasts. Perfect to run on a Raspberry Pi or a local server. Available for free at home-assistant.io
There is a timer bar card in HACS.
Slightly more than what I need as it's just for a secondary line in my dashboard, but thank you.
It was basically the only thing I found that updates in real time and it is highly customizable. If you find something simpler, let me know. I'm also looking. :)