MAX7219 LED Matrix Display Module – 4 Bit Display
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Features
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Single module can drive an 8 * 8 dot matrix common cathode
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Module Operating voltage: 5V
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Module dimensions: length 12.8 cm X 3.2 cm wide X 1.3 cm high
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Holes with four screws, diameter 3mm
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Modules with input and output interfaces, support for cascading multiple modules
Pinout
- VCC → 5V
- GND → GND
- DIN → P2.2
- CS → P2.1
- CLK → P2.0
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