MAX7219 8 Digit Led Tube Display Control Module 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.
Wiring instructions(for example, it can connect any IO port, modified the Port Definition in the program
-VCC :5V
-GND :GND
-DIN :P00
-CS :P01
-CLK :P02
Features:
-100% Brand new and high quality
-MAX7219 digital display control module
-This module is compatible with 5V and 3.3V microcontrollers.
-You can use it for Arduino
-Only three IO ports are used to drive the eight-digit display. MAX7219 supports flicker-free displays as well as cascading displays.
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