OKY4086-1: 4 Bits TM1637 Digital Tube LED Clock Display Module for Arduino
OKY4086-1: 4 Bits TM1637 Digital Tube LED Clock Display Module for Arduino
Display common anode for the four red LED
Digital tube 8 gray adjustable
Level control interface for 5V or 3.3V
4 M2 screws positioning holes for easy installation
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