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8Bit Key Digital Tube LED Display Module TM1638
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Price: US$3.80   Submit a wholesale Inquiry
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The module is used for TM1638 chip, collection more than three kinds of common single-chip peripheral circuit, the biggest feature is only occupies MCU three IO port can drive, scanning display and key scan does not require MCU intervention, only need to read and write relevant register send display data or test button, saving MCU resources. Provides procedures examples after buying the module

 

Resources
1) 8 keys
2) 8 LED
3) 8 digital tube

 

Wiring method
VCC GND connect 5V power supply
STB CLK DIO connect the microcontroller IO port

Shipping list
1* key LED digital tube display module 
5* 20CM connection DuPont line 

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