MAX7219 Dot Matrix 4×1 LED Display Module

The MAX7219 Dot Matrix 4×1 LED Display Module combines four 8×8 LED dot matrix panels into a single 32×8 display unit driven by the MAX7219 driver IC, giving the builder individual control over all 256 red LEDs arranged in 32 columns and 8 rows — a fundamentally different display capability from the 1602 LCD (fixed character cells), the OLED graphic module (pixel display in a compact area), and the TM1637 seven-segment module (numeric digits only). The max7219 dot matrix module can display scrolling text messages, custom pixel animations, icon patterns, and full alphanumeric character sets that sweep across the four panels in a continuous horizontal scroll that is visible at a greater distance than any of the fixed-position display modules in the StemVolt display range.

The 4×1 max7219 module connects to the microcontroller via SPI — a three-wire serial bus (DIN for data, CLK for clock, CS for chip select) plus power — which operates faster than I2C and does not require address configuration, allowing the module to receive display update commands at high speed for smooth scrolling animation. The 4×1 dot matrix module arduino is compatible with the MD_MAX72XX and MD_Parola Arduino libraries, which provide ready-made scrolling, fading, and animation effects with minimal code. Multiple modules can be chained together (cascaded) by connecting the DOUT of one module to the DIN of the next, extending the display width beyond the initial four panels without using additional microcontroller GPIO pins for each added module.

Available from StemVolt, offering quality electronics parts at competitive prices. This max7219 dot matrix display module is ideal for Arduino ESP32 scrolling text score ticker announcement board and STEM project LED matrix display builds in India.

Related Products:

• Checkout 8×8 RGB 64 LED Dot Matrix Display Module

Features:

• 4-in-1 panel — 32×8 = 256 individually controllable red LEDs
• SPI interface — fast data transfer for smooth scrolling animation
• Scrolling text support via MD_Parola and MD_MAX72XX Arduino libraries
• Cascadable — chain more modules for longer display without extra GPIO
• Individual pixel control — custom patterns animations and icons possible

Technical Specifications:

Applications:

• Arduino scrolling text announcement board with 4×1 max7219 module
• India maker builds ESP32 score ticker using max7219 dot matrix display module
• STEM project for 4×1 dot matrix module arduino pixel animation demo build
• DIY scoreboard display with cascaded max7219 led matrix modules
• 4×1 led matrix module for scrolling text SPI display lab build

Package Includes:

• 1 x MAX7219 Dot Matrix 4×1 LED Display Module