- using ML (Edge Impulse) Speech Recognition to set-up the Alarm
- using a guesture sensor for wake-up
- dimmable ePaper FrontLight for readability at night with a super soft dimm
- MP3 via SPIFF to play multiple wake-up sounds (moved now to SPIFF)
- ESP 32 Wemos Pro for programming
- power saving - runtime minimum 3 month on battery
- boot speed optimized with menuconfig
- PCB Board included
https://44-2.de/goodwatch-eink-alarm-clock-with-voice-recognition/
You will also find more information on the ESP32 programming using EdgeImpulse ML and transfer learning.