JY-MCU TM1638 8 digital tube display module can be expansion 8*8 SEG display module red color 8 digit LED module

product description 8-bit Red LED Digital Tube Expansion Display Module TM1638 Arduino AVR 51 with cable Description: Use TM1638 digital tube driver chip Only three generic IO drivers are required - no MCU scan required - saving MCU resources Support 8 brightness adjustment - digital tube and use the same brightness Supports cascading most of the same six modules Digital tube size: 0.56 inches (common cathode) Module Size: 2.0 x 12.0 cm Package includes: 1 x 8-bit digital tube module 1 x cable