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TM1638 Digital 8 Bits LED Keyboard Scan And Display Module Digital Tube
Features
- Weight:34 g
- Color: as picture show
- Size:68mmx68mm/2.68"x2.68"(inch) (approx)
Function introductios:
- Only need 3-wire control.
- Adapts TM1638 digital tube drive chip. Common anode LED digital tube.
- Only need three common IO and could drive, no need MCU scan, save MCU sources.
- With 8 8digital tube (including decimal point).
- 2*8 16 buttons.
- Support 8 degree brightness adjustment.