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HALJIA 4-Digit 4-Segment Digital TM1637 LED Tube Clock Display Module With Brightness Adjustable Compatible with Arduino

Regular price $4.99

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  • This is a 4-digit common anode red display module with TM1637 driver chip.
  • Digital tube has 8 adjustable grey levels.
  • The voltage of control interface can be 5V or 3.3V.
  • 4 M2 screw positioning holes for easy installation.
  • Size: 42 x 24 x 12 mm

Control Interface: a total of four pins (GND, VCC, DIO, CLK)
GND: Ground
VCC: Power supply
DIO: Data input/output
CLK: Clock signal
Digital tube: 4 common anode points with 0.9 cm LED, red bottom
Positioning holes: 4 M2 screws positioning hole, diameter 2.2 mm, the positioning of the modules is easy to install to inter-combination

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Package Inculded: 
1 x clock display module