Neu MAX7219 CWG 8-Digital Tube Display Modul Control Modul Rot für Arduino
2,08 €
51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines. Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program).
Jetzt bei Ebay: