Been working at this for years now. Looking back, it seems like the very first one is the neatest one.
But this latest one will have the benefit of a 3D printer.

I am still working on if it will be an ESP32 or the older ESP8266.
Gen 1
https://www.apolonio.com/blog/?p=2140

Gen 2
https://www.apolonio.com/blog/?p=4595

Gen 3
https://www.apolonio.com/blog/?p=9148

One more day, then I got my 10k steps per day this year.
Weight: 334.4