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MAX7219 Digital Tube Display Module control module

MAX7219 Digital Tube Display Module control module

MAX7219 digital display control module MAX7219 is an integrated serial input / output common-cathode display driver, which connects the microprocessor 7-segment digital LED display with 8 digits, you can connect a bar... جزئیات بیشتر »

مدل کالا: HP0199
موجودی: 20
قیمت: 12,000تومان

MAX7219 Digital Tube Display Module control module

MAX7219 digital display control module

MAX7219 is an integrated serial input / output common-cathode display driver, which connects the microprocessor 7-segment digital LED display with 8 digits, you can connect a bar graph display or 64 independent LED. On which includes a B-type BCD encoder chip, multi-channel scanning loop, segment word driver, but also an 8 x 8 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 the general-purpose microprocessor. Each data can be addressed in the update does not need to rewrite all of the display. MAX7219 also allows users to select each data coding or non-coding.

The entire device contains a 150μA low-power shutdown mode, analog and digital brightness control, a scan-limit register allows the user to display 1-8 bit data, there is a LED light all the detection mode.

Only three IO ports to drive eight digital tube! Digital flicker-free display! Support cascade!

PCB plate fixed to the four corners of copper studs, which can effectively prevent a short circuit accident occurs!

Digital tube 0.36 inches four one common cathode LED

This module is compatible with 5V / 3.3V microcontroller (51 / AVR / STM32 .......)

Wiring instructions (in program provides an example, you can access any IO ports, you can modify the port defined in the program):

VCC → 5V

GND → GND

DIN → P00

CS → P01

CLK → P02

NOTES:

1.VCC and GND Do not reversed, it would burn chip

2.51 MCU P0 port need pull-up resistor, if your device does not have pull-up resistor can be connected to other ports data lines

Invoice:

1.MAX7219 digital display module 1

2. Straight pin 5P

3. bent pin 5P

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