MAX7219 Dot LED Matrix Module With Cable

MAX7219 Dot Led Matrix Module with cable AA086 Details: MAX7219 is an integrated serial input / output common-cathode display drivers , which connects the microprocessor 7-segment digital LED display with 8 digits , bar graph can also be connected monitor or 64 separate LED. On type B BCD...

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Product Details

MAX7219 Dot Led Matrix Module with cable

AA086


Details:

MAX7219 is an integrated serial input / output common-cathode display drivers , which connects the microprocessor 7-segment digital LED display with 8 digits , bar graph can also be connected monitor or 64 separate LED. On type B BCD encoder includes an on-chip , multi-channel scanning loop , segment word drive, but also a 8x8 static RAM for storing each data . Only one external register is used to set the segment current for each LED .

A convenient four-wire serial interface can connect all common microprocessor. Each data can be addressed in the update does not overwrite all of the display . MAX7219 also allows the user to select each of the data code or not coded .

The entire device includes a 150μA low-power shutdown mode , analog and digital brightness control , a scan-limit register allows the user to 1-8 bits of data , there is an LED light so that all the detection mode .

Requires only three IO ports can drive a dot ! No flashing dot matrix display ! Support cascade !


Module Parameters:

1 single module can drive a common cathode 8 * 8 dot matrix

2 module Operating voltage : 5V

3 Module size : 5 cm X 3.2 cm wide X 1.5 cm high

4 holes with four screws , diameter 3mm, can be fixed by using our M3 studs

5 modules with input and output interfaces , support for cascading multiple modules


Wiring:

1 is a block left input port, an output port on the right .

2 When control of a single module , simply input port receiving CPU


When cascading multiple modules 3 , output and input termination CPU, the input output termination module of the first two modules of the first one , the first two modules of terminating the input of the first three modules , and so on . ..


To 51 single example:

VCC → 5V

GND → GND

DIN → P22

CS → P21

CLK → P20


Shipping list :

1.MAX7219 dot matrix module 1 ( finished with lattice , has tested well )*10pcs

2.DuPont line 5*10pcs


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