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Description
Single module can drive an 8 * 8 dot matrix common cathode
Module Operating voltage: 5V
Module dimensions: length 3.2 cm X 3.2 cm wide X 1.3 cm high
Holes with four screws, diameter 3mm
Modules with input and output interfaces, support for cascading multiple modules
Wiring instructions:
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
To 51 single example:
VCC → 5V
GND → GND
DIN → P20
CS → P21
CLK → P22
Package included:
1PCS x MAX7219 MAX7219EWG Dot matrix module MCU control Display module DIY kit
