{"product_id":"max7219-4-in-1-dot-matrix-display-module-5p-line","title":"MAX7219 4-in-1 Dot Matrix Display Module with 5P Line","description":"\n\u003ch2\u003eMAX7219 4-in-1 Dot Matrix Display Module with 5P Line\u003c\/h2\u003e\n\u003cp\u003eTake your microcontroller projects to the next level with this versatile \u003cstrong\u003eMAX7219 4-in-1 Dot Matrix Display Module\u003c\/strong\u003e. Featuring four cascaded 8×8 LED dot matrix panels and a convenient 5-pin interface, this module is perfect for makers, hobbyists, students, and engineers building scrolling text displays, clocks, counters, or any custom visual readout project.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-in-1 Cascaded Design:\u003c\/strong\u003e Four 8×8 common cathode dot matrix panels linked in series for a wider, more versatile display area.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMAX7219 Driver IC:\u003c\/strong\u003e Industry-standard LED driver chip with SPI-compatible serial interface for easy microcontroller integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-Pin Interface (5P Line):\u003c\/strong\u003e Simple 5-wire connection — VCC, GND, DIN, CS, and CLK — for quick and clean wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V DC — compatible with Arduino, 51 MCU, Raspberry Pi, and other popular development boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCascadable:\u003c\/strong\u003e Input and output ports on each module allow you to chain multiple units together for even larger displays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e 64 mounting holes (3mm diameter) for secure, professional installation in enclosures or project boards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Dimensions:\u003c\/strong\u003e 12.8 × 12.8 × 1.3 cm — easy to fit into a wide variety of project builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWiring Guide (51 MCU Example)\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eModule Pin\u003c\/th\u003e\n\u003cth\u003eMCU Pin\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDIN\u003c\/td\u003e\n\u003ctd\u003eP2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCS\u003c\/td\u003e\n\u003ctd\u003eP2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCLK\u003c\/td\u003e\n\u003ctd\u003eP2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCascading Multiple Modules\u003c\/h3\u003e\n\u003cp\u003eEach module features a dedicated \u003cstrong\u003einput port (left side)\u003c\/strong\u003e and \u003cstrong\u003eoutput port (right side)\u003c\/strong\u003e. When using a single module, connect only the input port to your CPU. When cascading multiple modules, connect the output of the first module to the input of the second, the output of the second to the input of the third, and so on. Connect the first module's input and the last module's output to your CPU.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver IC:\u003c\/strong\u003e MAX7219\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMatrix Type:\u003c\/strong\u003e 8×8 common cathode (4 panels)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e SPI (5-pin: VCC, GND, DIN, CS, CLK)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.8 × 12.8 × 1.3 cm (±0–2 cm manual measurement tolerance)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Holes:\u003c\/strong\u003e 64 × 3mm diameter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × MAX7219 4-in-1 Dot Matrix Display Module with 5P Line\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is the MAX7219 4-in-1 dot matrix module compatible with Arduino?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The MAX7219 4-in-1 dot matrix display module is fully compatible with Arduino boards. Simply connect VCC to 5V, GND to GND, and wire DIN, CS, and CLK to your chosen digital pins. Popular Arduino libraries such as LedControl or MD_MAX72XX make programming the display straightforward.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I connect more than four MAX7219 dot matrix modules together?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Each module supports cascading via its input and output ports. You can chain as many modules as your microcontroller's SPI interface and power supply can support, making it easy to build wide scrolling LED displays for signs, clocks, or scoreboards.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage of this dot matrix display module?\u003c\/h4\u003e\n\u003cp\u003eA: This MAX7219 dot matrix module operates at 5V DC, making it compatible with a wide range of development boards including Arduino Uno, Arduino Mega, 51 MCU, and similar 5V microcontroller platforms.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this module support scrolling text or animations?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. With the right microcontroller code or library (such as MD_Parola for Arduino), you can display scrolling text, static characters, custom animations, and more across all four 8×8 panels of this MAX7219 module.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the MAX7219 4-in-1 dot matrix module compatible with Arduino?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The MAX7219 4-in-1 dot matrix display module is fully compatible with Arduino boards. Simply connect VCC to 5V, GND to GND, and wire DIN, CS, and CLK to your chosen digital pins. Popular Arduino libraries such as LedControl or MD_MAX72XX make programming the display straightforward.\"}}, {\"@type\": \"Question\", \"name\": \"Can I connect more than four MAX7219 dot matrix modules together?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. 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