Product Summary
ESP32 Open Source V2.0 Gift E-ink Display Smart Watch Display Screen 200x200 Ultra-low Power is a development board selected for building connected devices, firmware tests and rapid electronics prototypes. It is suitable for makers, embedded developers and IoT prototyping teams who need practical electronics hardware for reliable project work.
Best For
- building connected devices, firmware tests and rapid electronics prototypes
- Arduino, MicroPython, sensors, displays and expansion modules
- Electronics testing, repair, prototyping and maker workflows
FAQ
Who is this product for? It is intended for makers, embedded developers and IoT prototyping teams.
What should I check before buying? Review the product options, specifications, included accessories and compatibility details on this page.
Product name: Watch ESP32 programmable open source electronic watch
Product color: black
Screen size: 1.54in
Product resolution: 200x200
Features:
1. Ultra-low power e-paper 1.54-inch display with a resolution of 200x200 and a wide viewing angle
2.Wi-Fi and Bluetooth LE connection
3.3 bio-signal rate meter for axial hearing testing
4. Real-time clock with calendar and alarm functions for accurate timing
5. Built-in USB serial port to firmware, can be programmed anytime and anywhere
6. Vibration motor for alarm
7. Four buttons (use imported buttons, which feel better)
8. Open source hardware and software
9. Tons of examples and cool looks
10. Open source 3D case design
11. Built-in 3.7V 200mAh battery
12. The PCB lower cover is used to better protect the screen, battery and various PMP battery life on the motherboard.
What to use: Watch wakes up every 60 seconds, checks the accelerometer, real-time clock, and updates the e-paper display with the latest information. WiFi is turned on during certain hours to obtain weather data. The Watchy's battery life should be 5-7 days for timekeeping only, and 2-3 days for data acquisition over WiFi. These numbers can be expanded with further optimization (e.g. sleep during off-hours, only get up when exercising/waking up, etc.)
User Manual: Please scan the QR code on the product packaging
Special note: Please be sure to select the hardware version V2.0 when flashing
Product gross weight: 72g
Package includes: Watch*1 V2.0 *1 (built-in 200mAh battery) Logic strap*1 USB data cable*1
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