DAOKI 2Pack MAX7219 8x8 Dot Matrix Single Red Light MCU Control LED Display Module for Arduino- Raspberry Pi with Dupont Cable

Specification: Single module can drive an 8 x 8 dot matrix common cathode Module Operating voltage: 5V Module dimensions: 3.2 x 3.2 x 1.3 cm / 1.26 x 1.26 x 0.5" (LxWxH) Holes with four screws, diameter 3mm Modules with input and output interfaces, support for cascading multiple modules Wiring instruction: On the left block to an input port, an output port on the right When the control of a single module, simply enter the port received a CPU When more than 3 modules cascaded output input termination CPU, the input output termination module of the first two modules of the first one, the first two modules of the termination input terminal of the three modules, and so on Taking 51 single chip microcomputer as an example: VCC - 5V GND - GND DIN - P22 CS - P21 CLK - P20 Package Included: 2 x Max7219 8x8 Red Light LED Display Module 1 x 11.8" Female-Male Dupont Cables 10 PIN