MAX7219 8×8 LED Matrix
by Maxim clone
SKU: PSA-CMP-MAX7219
No reviews yetTypical India street price
₹70–₹150
Cascadable matrix for tickers, hearts, and dice.
Interface: SPI-like (DIN/CS/CLK)
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Concept
MAX7219 scans 8×8 LEDs so the MCU isn’t bit-banging 64 pixels.
A little theory
Current-sink LED driver with intensity register. Daisy-chain DOUT→DIN. In the classroom, treat MAX7219 8×8 LED Matrix as a beginner part using SPI-like (DIN/CS/CLK). Typical India street price is about ₹70–₹150. Always verify voltage and pin labels on your exact module — silk screens vary across clones. Start with a datasheet or trusted learn guide, power the part correctly, share GND with the MCU, and test with a simple blink/read sketch before building the full project. Measure voltages with a multimeter when something fails, and keep actuator current off the MCU regulator.
How it works in a project
MD_Parola / LedControl libraries. 3 wires + 5V.
Classroom & project use
- Scrolling name
- Score
- Simple animation
Buying in India
Precautions
- Check 3.3 V MCU compatibility before connecting signal pins
- Share a common GND with the microcontroller
Specifications
| Matrix | 8×8 |
| IC | MAX7219 |
| Category | Displays |
| Difficulty | Beginner |
| Voltage | 5V |
| Interface | SPI-like (DIN/CS/CLK) |
Pinout
VCC | GND | SCK | MISO | MOSI | CS (plus RST/IRQ if labelled)
