Nodemcu-based NTP clock, displaying hours with a Max7219 LED matrix
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Lomanic 325bb9a083 Add pinout in README 5 months ago Add pinout in README 5 months ago
nodemcu-max7219-clock.ino initial commit 6 months ago

Nodemcu NTP clock with Max7219 LED matrix

Hardware parts



  • Connect 3V to VCC
  • Connect G to GND
  • Connect D5 to DIN
  • Connect D6 to CS
  • Connect D7 to CLK

Note: it’s all sequential

Software dependencies

This uses the Arduino IDE with the esp8266 core and the following libraries, installed using the Libraries manager: