1Pc MAX7219 Dot Matrix Module 16-bit Dot Matrix 2 in 8 Display Board LED Driver Display Module for Arduino, Red

The MAX7219 is an integrated serial input/output common cathode display driver that connects a microprocessor to an 8-digit 7-segment LED display, a bar graph display, or 64 individual LEDs.Product Specifications- Operating Voltage: 5V- Dimensions: 130 x 64 mm- Equipped with 32 mounting screw holes, 3mm diameter- Single module can drive an 8¡Á8 dot matrix common cathode display- Module features input/output interfacesInstructions:Instructions- VCC to 5V- GND to GND- DIN to P2.2- CS to P2.1- CLK to P2.0

• Powerful LED Display Driver: Designed to drive 8-digit 7-segment displays, 8¡Á8 LED dot matrix modules, bar graph displays, or up to 64 individual LEDs.
• Simple Serial Interface: Features an easy-to-use serial communication interface compatible with mainstream microcontrollers, supporting connection of multiple MAX7219 devices. Expand your display system with minimal I/O pins.
• Independent Digit Control: Integrated 8¡Á8 static RAM and multiplexed scanning circuitry automatically refresh the display, delivering stable, smooth, and flicker-free visual performance.
• Flexible Display Control: Supports both analog and digital brightness adjustment, programmable scan limits (1-8 digits), and per-digit selection of BCD decode or direct segment control.
• Low Power Consumption: Features an ultra-low-power shutdown mode and built-in display test function for easy debugging. Supports multi-chip cascading to effortlessly expand into larger dot matrix or multi-digit display systems.