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8X Seven Segments Display + 8X Key + 8X 2-Color LED Module for Arduino
Integrates buttons£¬ LED & Seven Segments Display- Only requires three IO ports to be driven- By day of the module's TM1638 chip micro-8 8-segment LED display and 8 buttons and 8 test Two-color LED control£¬ IO savings serial communication interface£¬ 8-level brightness adjustment (LED and adjust the brightness of a unified digital)£¬ and scan button scans showed no MCU intervention£¬ MCU only needs to read or send display data to register RAM chips can save MCU resources.- Comes with connection cable (20cm length)