What does the MAX7219 module do?

MAX7219 Chip All you have to do is send it serial commands through the 4-pin SPI interface and it will automatically take care of the rest. It can fully control 64 individual LEDs – including maintaining the same brightness, and allowing you to adjust the brightness of the LEDs with hardware or software (or both).

What is MAX7219?

The MAX7219/MAX7221 are compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.

What are applications of 8×8 LED matrix display?

Applications. Arduino based 8 x 8 LED matrix display uses only 3 pins of the Microcontroller. Hence, it can be used in applications where displaying information is a part of the system in which other pins of the microcontroller can be used for other peripherals.

What is a matrix LED display?

“Dot Matrix” is an unique category of LED Displays and also found in LCD and OLED products. The concept of LED Dot Matrix Display is the same as LCD Dot Matrix and OLED Dot Matrix. It is able to show characters, numbers or graphics by light up different pixels(dots) of a Display.

How does dot matrix display work?

Structure and operation of LED dot matrix displays In a LED dot matrix display the LEDs are located at the column and row intersections of the matrix. LEDs in the same row are connected together as are LEDs in the same column. Figure 1 shows two common configurations for LED matrix displays.

How do LED matrices work?

Simply put, an LED matrix is a grid of lights arranged into rows and columns. LED stands for Light Emitting Diode, so like with other diodes, electricity flows through it in only one direction – from anode(+) to cathode(-); doing so illuminates the light.

How does matrix display work?

The matrix controlled through each row very quickly by triggering the correct column pins to light the desired LED’s for that particular row. If the switching done with a fixed rate, humans can’t see the displaying message, because human eye can’t detect the images with in the milliseconds of time.

How does a LED matrix work?

What is a 8×8 matrix LED?

1388A is an 8×8 LED matrix module, which helps to design visual display. There is a total of 64 numbers of LEDs in a total display. All the LEDs are common in Anode and cathode with each other in a pattern. The whole pattern comes out with an anode and cathode in the form of low and column.