ITEM NAME:MAX7219 Dot led matrix Module MCU control LED Display Modules for Dwwj R7D4 HOT SALE AUD 1.19 27+ sold AUD 2.35 3+ sold AUD 1.26 2+ sold AUD 3.2 1+ sold AUD 4.04 0+ sold AUD 4.72 0+ sold AUD 2.69 0+ sold USD 0.0 315+ sold AUD 0.0 257+ sold AUD 0.0 218+ sold AUD 0.0 187+ sold AUD 0.0 163+ sold Description&Preview.A capable four-wire serial interface can be connected to all common microprocessors. The MAX7219 also allows the user to select or not code for each data. Only need 3 IO port can drive a dot matrix!
