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)

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! <