Tm1638 3-wire 16 Keys 8 Bits Keyboard Buttons Display Module Digital Tube Board Scan And Key Led Geekcreit For Arduino

Tm1638 3-wire 16 Keys 8 Bits Keyboard Buttons Display Module Digital Tube Board Scan And Key Led Geekcreit For Arduino

$ 7.59
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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...show more

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AOQDQDQD Tm1638 3-wire 16 Keys 8 Bits Keyboard Buttons Displ