3pcs TM1638 3-Wire 16 Keys 8 Bits Keyboard Buttons Display Module Digital Tube Board Scan And Key LED for Arduino - products that work with official Arduino boards
3pcs TM1638 3-Wire 16 Keys 8 Bits Keyboard Buttons Display Module Digital Tube Board Scan And Key LED for Arduino - products that work with official Arduino boards
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Specifications:
- 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.