10db MAX7219 LED pontmátrix 8 számjegyű digitális csöves kijelző vezérlő modul Arduino 3.3V 5V mikrokontroller soros meghajtóhoz
10pcs MAX7219 LED Dot Matrix 8 Digit Digital Tube Display Control Module For Arduino 3.3V 5V Microcontroller Serial Driver
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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
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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