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Ecloud Shop New MAX7219 8-bit digital display support three IO port control module

Ecloud Shop New MAX7219 8-bit digital display support three IO port control module: Electronics. Buy Ecloud Shop New MAX7219 8-bit digital display support three IO port control module: Traffic Message Channel (TMC) Receiver Modules - ✓ FREE DELIVERY possible on eligible purchases. Country of Manufacture: CHINA; Material: Electric Parts 。 Package Content: 1 x Display Control Module 。 Model: MAX7219 。 Main Color: Black 。 MAX7219 is an integrated serial input / output common-cathode display drivers, which connects the microprocessor 7-segment digital LED display with 8 digits, you can also 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 general-purpose microprocessor. Each data can be addressed during the update does not need to rewrite all of the display. MAX7219 also allows each user to select a data coding or non-coding.。The entire device contains a 150?A 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 tube flicker-free display! Support cascade!。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。Precautions:。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。module * 1 。 。 。

Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module
Ecloud Shop New MAX7219 8-bit digital display support three IO port control module

Ecloud Shop New MAX7219 8-bit digital display support three IO port control module

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