4 Digit LED Display Module TM1637
The module is a 12Pin clock points with 4 bits digital tube (0.36 inch) display module, the driver chip is TM1637, only two signal lines can make SCM control 4 bits 8-segment digital tube
Display common anode for the four red LED
Digital tube 8 gray adjustable
Power supply: 3.3V-5.5VDC,typical:5V
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- 1 x 4 Digit LED Display Module