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TM1638 8 Digit 7 Segment Display With Led’s and Switches
- 8 Bits, 8 keys, 8 LEDs, 8 digital tubes, common cathode LED digital tube.
- With TM1638 Chip, this module gather more than three common SCM peripheral circuits.
- The advantage is only three IO ports will be occupied when it drives.
- SCM doesn’t need to work for scaning display and key scaning.
- It only need to read the relevant register to send display data or test button so it save MCU resources effectively.
- Keys are sensitive and display effectively.
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