1Pc MAX7219 Dot Matrix Module 4-Digit Dot Matrix 4 in 1 Display Board SCM Control Drive LED Driver Display Module Blue

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 x 13 mm- Indicator Light Color: Blue- 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:- VCC: 5V- GND: GND- DIN: P2.2- CS: P2.1- CLK: P2.0

• Highly Integrated LED Display Driver: The MAX7219 is a powerful 8-digit 7-segment LED display driver that supports up to 64 individual LEDs. It integrates scanning, current drive, and storage functions, significantly simplifying display circuit design.
• Easy-to-Use Serial Interface: Utilizing a serial communication interface, it connects to mainstream microcontrollers with minimal I/O pins and supports multi-chip cascading for easy expansion of display digits or dot matrix size.
• RAM & Independent Digit Control: Built-in 8 x 8 static RAM stores display data internally, enabling individual digit or LED control without constant refreshing, resulting in stable and flicker-free display output.
• Flexible Decoding Options: Supports independent selection of BCD decoding or non-decoding mode per digit. Offers analog and digital brightness control, with display range (1-8 digits) configurable via scan limit register.
• Low-Power Design: Includes a low-power shutdown mode and individual digit control. It features a full-brightness test mode for convenient debugging, inspection, and production testing.