T8 2 X Max7219 8-bit Digital Display Support Three IO Port Control Module Q

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A convenient four-wire serial interface can connect all general-purpose Miniprocessor. 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 150A 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)Model: MAX7219Color: BlackPrecautions:1.VCC and GND Do not reversed, it would burn chip2.
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