3Pcs 8 Digit Bit MAX7219 Digital Tube Display Module Board 7 Segment Digital LED Display 5V/3.3V Controller for Arduino

Features MAX7219 digital display control module This module is compatible with 5V and 3 3V microcontrollers You you can use it for Arduino MAX7219 is an integrated serial input output common cathode display driver which connects your microprocessor to a 7 segment digital LED display with 8 digits Only three IO ports are used to drive the eight digit display MAX7219 supports flicker free displays as well as cascading displays Wiring instructions for example it can connect any IO port modified the Port Definition in the program VCC 5VGND GNDDIN P00CS P01CLK P02Note VCC and GND should not be connected reversed so as not to burn the chip Specifications Material PCB Electronic ComponentsPower 5VSize 82 15 12mm L W H Shell Color BlueblackPackage includes 3 x LED board