MAX7219 LED Matrix

This is a module with an onboard 8×8 DOT matrix display and MAX7219 IC. It only needs three data lines and two power lines.

The 8×8 LED Matrix is easy to use and compatible with Arduino, and its LED brightness adjustment can be implemented in software.

The MAX7219 is an integrated serial input / output common-cathode display driver, it is connected to a microprocessor with 8digit 7segment digital LED display can also be connected to the bar graph display or 64 separate LED.

The entire device contains a 150uA low-power shutdown mode, analog and digital brightness control, a scan-limit register allows the user to display the 1-8 bits of data, as well as a let all LED light detection mode.

Only need three IO ports can drive a dot-matrix! Dot-matrix display, flicker-free! Supports cascading !

Specifications

• Size:50mmx32mmx15mm/1.95″x1.25″x0.58″(inch) (approx)
• Module operating voltage: 5V
• A single module can drive an 8 * 8 common cathode lattice
• With four screws hole, aperture 3mm, by using our M3 Tongzhu fixed.
• Module with input and output interfaces, supports multiple modules cascade.

Wiring instructions:
1.The module left as an input port to the output port on the right.
2.The control of a single module, simply input port to the CPU.

Multiple modules cascade input termination CPU, 2 output termination module, a module of the input of the input terminal, the output terminal of the first two modules of the first three modules, and so on …

Package Includes:

1 X MAX7219 LED Matrix
1 X Connecting wire set