I liked some of the electronic watches of my early years and wanted to DIY one myself
No need for complicated functions, make a pure timing tool
Ultra-long standby, 5S no operation automatically enters standby mode
Use WiFi to automatically calibrate the time, which is convenient for updating the time, esp32-c3
Support MicroPython programming to facilitate code updates
The thickness is only 8.3mm, and the 302530 lithium battery is used 200mAh
4P magnetic charging, 20mm strap
1. please add mechanical switch off for wifi (more power)
2. please add bigest screen for example 2" and 128x64 minimum
3. Please add more keys, meybe 8-16
How long this device work? You are check this in real situation? A month or more?