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3PCS MAX7219 8x8 Dot Matrix LED Display Module MCU Control Drive

KWD 4
Brand
Podazz
Weight
0.6 kg
– 1 +

Special Features

  • The MAX7219 serves as a sophisticated serial input/output driver designed for common cathode displays, facilitating a connection between microprocessors and a variety of visual output devices. It is capable of interfacing with an 8-digit 7-segment numerical LED display, a bar graph display, or controlling up to 64 standalone LEDs.
  • This integrated circuit is equipped with an on-chip Type B BCD encoder, a multi-scan circuitry, a segment word driver, and an 8x8 static RAM that retains data for each display element. The configuration of LED segment currents is streamlined through the use of a single external register.
  • A user-friendly four-wire serial interface is provided for compatibility with a broad range of general-purpose microprocessors, enabling individual data points to be selectively addressed. This feature eliminates the need to refresh all displays simultaneously during updates. The MAX7219 also grants users the flexibility to opt for data encoding on a per-item basis.
  • The device is designed with a power-efficient shut-down mode that consumes as low as 150 μA, and it includes both analog and digital controls for brightness adjustment. It features a scan limit register that enables the display of data across 1 to 8 digits, and a diagnostic mode that illuminates all LEDs for testing purposes.
  • Operation of a dot matrix display is achieved with minimal hardware, requiring only three IO ports, and ensuring a flicker-free display. The MAX7219 also supports the cascading of multiple units for extended display capabilities.

Description

Product Parameter:
1. Single Module can drive the an 8 * 8 dot matrix common cathode
2. The Module Operating Voltage: 5 v
3. Dimensions: 3.2 cm x 3.2 cm x 1.3 cm
4. Holes with four screws, the diameter of 3 mm
5. Five modules with input and output interfaces, support for cascading multiple modules

Wiring instructions:
1. On the left block to an input port, the an output port on the right.
2. When the control of a single module, simple enter the port received a CPU.

When wining 3 modules cascaded output input termination CPU, the input output termination module of the first two modules of the first one, the first two modules of the termination input terminal of the three modules.

To 51 single example:
VCC 5 v
GND GND
DIN P2.2
CS P2.1
CLK P2.0

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