Good pick up! I've updated the Github repo.
The multi-color LEDs is actually a pretty sweet idea... 🤔
You can get the knob here: https://www.aliexpress.com/item/1PCS-High-Quality-Potentiometer-Aluminum-Knob-30-17-30x17mm/32743326327.html?spm=a2g0s.90423184.108.40.206424c4dux0GCM
Thanks for the suggestion! Though I might wait until he is a bit older to look in to that - He's not quite old enough to chain events like that.
Solar could work - the kitchen sits next to a window, but then again, changing batteries every couple of months isn't that big a deal.
The next hack may be a rangehood light, and some sort of light or fan for the oven.
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