Arduino clock

This project its a clock based on the esp8266 module. It connects to a wifi network, syncs with an NTP server and displays the time with millisecond accuracy on a 8 digit 7 segments display

Parts

ESP-12E NodeMcu
MAX7219 based display
Jump wires

Usage:

Download the code and configure your wifi network SSID and password.
Download the https://github.com/rdelcorro/Arduino-RtNTPClient library.
Download the https://github.com/rdelcorro/Arduino-LedControl library.
Burn with Arduino IDE