Feature:
1. Made of high quality material, being practical to use, it uses TM1638 digital tube driver chip.
2. Only need 3 ordinary IOs can drive, and no MCU scanning is required, which saves MCU resources very much.
3. With eight 8-segment digital tubes including decimal point, it is with total 16 buttons, being convenient to use.
4. Supporting 8 levels of brightness adjustment. As a display module, its color is blue.
5. Working as a practical accessory to keyboard, it is given with high performance via effecient process.

Specification:
Item Type: LED module
Model: TM1638
Size: Approx. 70 x 70mm / 2.8 x 2.8 in

Package List:
1 x TM1638 Module