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diymore M1637 5 Packs Red/Green/White/Yellow/Blue Colors TM1637 0.56" LED Display Digital Tube 7 Segment 4 Digit Clock Double Displays Dots Module Serial Driver Board(5 Colors)
Special Features
- For use library: TM1637.h.
- Digital tube 8 grey level is adjustable.
- Module connects to digital I/O on 2 pins.
- The control interface electrical level is 5V.
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