Neutralization / ESP32-2FA

ESP32-2FA_Display

Using ESP32 and MAX7219 to show 2FA code

Display Output module

Chinese make MAX7219 4-in-one Matrix display

Pin

    Max7219 - VCC - 5V
    Max7219 - GND - GND
    Max7219 - DIN - MOSI (D7)
    Max7219 - CLK - SCK  (D5)
    Max7219 - CS  - D4

Using ESP8266 NodeMCU V1.0 ESP-12E and MAX7219 to show current time with 3D printed base