8x8 B Click is an add-on board in mikroBUS form factor. It’s a compact and easy solution for adding 8x8 BLUE LED display matrix to your design. It features MAX7219 8-digit LED display driver module as well as 64 BLUE LED diodes. 8x8 B Click communicates with target board microcontroller via four mikroBUS SPI lines (DIN, DOUT, CLK and CS). The board is designed to use 5V power supply only, but it can be used with 3.3V MCUs as well.