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MAX7219 8x8 Dot Matrix Module MCU Control LED Display DIY Kit For Arduinos
Product Description
A single module can drive an 8 * 8 common cathode lattice
Module operating voltage: 5V
Module size: 5 cm in length X width 3.2 cm x 1.5 cm
With four screws hole, aperture 3mm
Modules with input and output interface, supports multiple modules cascade
Wiring instructions:
1 The module left as an input port to the output port on the right.
2) the control of a single module, simply input port to the CPU
3 multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on....
51 MCU, for example:
VCC → 5 V
GND → GND
DIN → P22
CS → P21
CLK → P20
Module operating voltage: 5V
Module size: 5 cm in length X width 3.2 cm x 1.5 cm
With four screws hole, aperture 3mm
Modules with input and output interface, supports multiple modules cascade
Wiring instructions:
1 The module left as an input port to the output port on the right.
2) the control of a single module, simply input port to the CPU
3 multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on....
51 MCU, for example:
VCC → 5 V
GND → GND
DIN → P22
CS → P21
CLK → P20
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