It’s winter (here), and working from home, sitting in the garage, I thought about a solution to get a little warmer than 16-17 degrees 
So I used a smart power switch with a electrical heater on it, a Xiaomi LYWSD03MMC as the thermometer. and a climate/thermostat component in HA to control the heater based on the temperature.
But… I want easy and QUICK access to it, so I created a DeskBand, always in view. To enable/disable it and set the temperature. Also added a history graph.
It’s over at GitHub, see the Releases for the binaries. All help you need should be in the readme. I won’t help with any of the setup, only if it’s related to the actual DeskBand itself.