Rote MAX7219 8-stellige LED Anzeigemodul Digitale Röhre für Arduino SPI Steuerung
1,95 €
Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays. You you can use it for Arduino. Wiring instructions(for example, it can connect any IO port, modified the Port Definition in the program).
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