MAX7219 dot matrix Module ( Single )

Description: · A single unit can drive an 8*8 common passive network · Unit operating voltage: 5V · Unit size: 3.2 cm long, 3.2 cm wide, and 1.5 cm high · With 4 fixed screw holes of 3mm diameter, can be fixed with M3 brass shaft. Modules with I/O interfaces support multiple cascading modules Wiring instructions: The left side of the unit is the input port, and the right side is the output port. When controlling a single unit, simply connect the input port to the CPU. When multiple units are cascaded, the input end of the first unit is connected to the CPU, the output end is connected to the input end of the second unit, the output end of the second unit is connected to the input end of the third unit, and so on. Take 51 single-chip computers as an example: VCC 5V GND GND DIN_P20 CS_P21 CLK_P22 Package includes: 1 x MAX7219 Dot Matrix Module DIY Kit