• Wide operating voltage RANGE: 2-5.5v
  • Operating current: 2.0V/hour<300nA
  • Working temperature: -40℃ +85℃
  • Locating hole diameter: 3.1mm Battery: CR2032 Lithium Cell 3V Button cell (included)
  • Current: 260mAh
  • PCB size: approx. 43 x 23 x 1.2mm

Wiring Manual:

  • VCC +5V/3.3V
  • CLK P02


  • VCC and GND cannot be picked up, or it will burn the chip.
  • 51 MCU P0 port need to connect the pull resistance, if you do not have a single chip connected to the pull resistance, you can connect the data cable to other ports.
  • Please allow 1-3mm differs due to manual measurement.

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