Electronic LED matrix illuminated signboard with four 8 * 8 modules

Electronic LED matrix illuminated signboard with four 8 * 8 modules

Module of 4x controllers MAX7219 with Matrix of LED 8x8 for electronic signboard DIY.

Requires only three IO ports to control the dot matrix! No blinking! Supports cascading!

Module Parameters:

1. A single module can drive a common cathode 8 * 8 LED array

2. Operating voltage: 5V

3. Size: 12.8 cm long x 3.2 cm wide x 1.3 cm high

4. Each module has fixing holes with a diameter of 3 mm

The module with input and output interfaces, supports multiple modules in cascade

Wiring instructions:

1. The left side of the input port module, an output port on the right.

2. A single CPU control module is needed only to the input port

3. When using multiple cascaded modules, the CPU emits to the input end, then the output end of the first module to the input of the second module, the second module termination to the input terminal of the third module, and so on ...