New ask Hacker News story: Ask HN: What is a creative way you control your smart home?

Ask HN: What is a creative way you control your smart home?
3 by liminal-dev | 3 comments on Hacker News.
Today I found a metallic USB volume knob in a box, and thought it could be nice as a controller for a WiFi bulb, which is usually controlled via an app. What are some clever/creative/geeky ways the HN crowd controls their lights (or other smart things)?