ITEM NAME:8-digit LED display module MAX7219 digital control tube red matrix for ArduN7B4 8-digit LED display module MAX7219 digital control tube red matrix for ArduN7B4 Voltage: 5V Material: PCB + electronic components Dimensions: 82 × 15x18mm Color: Green Wiring instructions (a program, for example, all IO port definitions can be changed in the program): VCC: 5V GND: GND DIN: P00 CS: P01 CLK: P02 noteï ¼Å¡ Please do not reverse the VCC and GND, Otherwise, chip will burn 51 P0 port of the MCU requires a pull-up resistor. If your device does not have the pull-up resistor,It can be connected to the data line of the other port supply contentï ¼Å¡ 1x MAX7219 Module 4x Copper pillar 4x screw Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm..1x MAX7219 Module. 51 P0 port of the MCU requires a pull-up resistor. If your device does not have the pull-up resistor,It can be connected to the data line of the other port. Wiring instructions (a program, for example, all IO port definitions can be changed in the program).
