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Ecloud Shop 3 X New MAX7219 8-bit digital display support three IO port control module
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About Ecloud Shop 3 X New MAX7219 8-bit Digital Display
Material: Electric PartsModel: MAX7219Main Color: BlackA 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 ? P02Precautions:1.VCC and GND Do not reversed, it would burn chip2.51 MCU P0 port need pull-up resistor, if your device does not have pull-up resistor can be connected to other ports data lines3 X module
