3pcs 8x16 MAX7219 LED Dot Matrix Screen Module

Features Using the LED dedicated constant current control chip basically only occupy the Raspberry Pi SPI interface 3 IO 2 enable to control 64 LED lights Support SPI interface B B involved in Raspberry Pi Driver chip MAX 7219 Dot matrix type 8x8 common negative red dot matrix Size 64 3x35x26 5mm Package Included 3 x MAX7219 LED Dot MatrixPin numberIdentificationDescription1173 3VInput245VInput35781011 121315 16182122 26NCNC69142025GNDPower19MOSIdata input23SCKClock signal24CE0Chip select signal