MAX7219 Digital Tube MAX7219 Led Module 8-Digit 7 Segment Digital LED Display Module

A convenient four wire serial interface can connection all general microprocessor. Each data can be addressed in the update don\\\'t need rewriting all the display. MAX7219 also allows the user to each data selection coding or not to code.
The whole equipment includes A 150 A low power consumption closed mode, analog and digital brightness control, A scanning limit register allows users to display 1-8 bits of data, and A let all LED luminous detection model.

Only need three IO mouth can drive eight digital tube! Digital tube display when flicker free! Support cascade!

Note:

1. The VCC and GND don\\\'t pick back, so as not to burn out chip

2.51 SCM P0 port need connected to pull resistance, if your SCM not connected to pull resistance, can will data line received other port