8X Seven Segments Display + 8X Key + 8X 2-Color LED Module
– 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)
Weight: 1.76 oz (50 g)