28CHkVGwK2

E-ink clock (magnetic version)

 
Overview
● Main control chip: STM32L341CCU6
● 2.9-inch e-ink screen
● Power supply: CR2450 button battery
● Sleep current: 1.5uA@3V
● Clock chip: RX8025T-UB
● Digital temperature and humidity sensor: SHT40
● Automatic sleep mode with image display at night
● Supports switching between two fonts
● Buttons for setting time and switching fonts
● Magnetic design allows it to attach to metal surfaces
 
 
  
参考设计图片
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Update:2026-03-23 14:28:18

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