Smart Watch ESP32 Open Source E-Watch WiFi bluetooth Programmable Watch E-Paper with Open Source Har

Specifications:
1. Ultra-low power e-paper 1.54-inch display with a resolution of 200 x 200 and a wide viewing angle2. Wi-Fi and Bluetooth LE connection3. 3-axis accelerometer with gesture detection4. Real-time clock with calendar and alarm functions for accurate timing5. Built-in USB to serial adapter allows programming anytime and anywhere6. Vibration motor for alarm7. Four buttons (use imported buttons, which feel better)8. Open source hardware and software9. Tons of examples and cool watch faces10. Open source 3D case design11. Built-in 3.7V 200mAh battery12. The use of PCB upper and lower covers can better protect the screen, battery and various components on the motherboard.Battery Life:Watch wakes up every 60 seconds, checks the accelerometer, real-time clock, and updates the e-paper display with the latest information. Some watch faces also turn on WiFi to g