TM1638 Digital 8 Bits 16 Keys LED Keyboard Scan Display Module Digital Tube
3,00 €
Adapts TM1638 digital tube drive chip. Common anode LED digital tube. Spot Welder. With 8 8digital tube (including decimal point). 45 In 1 Sensor. Battery Protection Board. Only need three common IO and could drive, no need MCU scan, save MCU sources.
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