Encompasses a convenient 4-wire serial interface (4-pin SPI interface) to connect to all common microprocessors. Useful Links: (copy into a new browser window).
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1pcs MAX7219 Dot Matrix Module Control Single Chip Microcomputer Module 4-in-1 Display 5P Line
Aliexpress UK
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MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules Drive with 5Pin Wires for Arduino Raspberry Pi
Aliexpress UK
Single module can drive an 8 8 dot matrix common cathode. On the left block to an input port, an output port on the right. Modules with input and output interfaces, support for cascading multiple modules.
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MAX7219 0.36 Inch 8 Bits Digital LED Display 7 Segment Module 5 Color Available for Arduino STM32 STC AVR
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MAXIM - MAX7219CNG.
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1pcs MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules Drive with 5Pin Wires for Arduino Raspberry Pi Red
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Red MAX7219 Dot Matrix DIY Kit MAX7219 Dot Matrix Welded. Red MAX7219 8x8 Dot Matrix. MAX7219 Dot Matrix DIY Kit. Red 3mm 8x8 Dot Matrix. RGB 5mm 8x8 Dot Matrix. Led Size: 3mm. Single module can drive an 8 8 dot matrix common cathode.
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MAX7219 Dot Matrix Module 32x8 4 in 1 LED Display Modules Drive with 5Pin Wires for Arduino Raspberry Pi
Aliexpress UK
IC MAX7219CNG MAX7219 DIP-24 DRIVER LED DISPLAY 8DGT DIP. 2 PCS IC MAX7219CNG MAX7219 DIP-24 DRIVER LED DISPLAY 8DGT DIP.
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Cascadable Digital Tube Display Module MAX7219 LED Display Supports Cascaded 8-bit Serial 3 IO Port Control
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A single module can drive a 8x8 dot matrix common cathode. The left side of the module to the input port, the right to an output port. Module with input and output interfaces, support for cascading multiple modules.
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MAX7219 8*8 Dot Matrix Module Red Light Microcontroller Module Display Module MCU LED Display Control Module
Aliexpress UK
Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays. You you can use it for Arduino. VCC and GND should not be connected reversed, so as not to burn the chip.
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MAX7219 dot matrix module microcontroller module display module finished goods , Can be together for arduino programming
Aliexpress UK