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LED Matrix with driver MAX7219
LED Matrix with driver MAX7219
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8×8 Dot Matrix LED Display Module MAX7219
The mini 8×8 Dot Matrix LED Display Module MAX7219 is based on the compact MAX7219 chip, it is a serial input common-cathode driver that interfaces micro-controllers to LED matrices. All common micro-controllers can be connected to this module by using a 4-wire serial interface. Each output can be addressed without refreshing the entire display. This module requires only 3 I/O lines for driving the display, making it ideal for your micro-controller projects.
Specifications:
Operating Voltage: 4.7V – 5.3V
3.75mm Pixel
Operating Current: 320mA
LED Color: RED
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
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