Internet connected clock based on Arduino ESP8266
This Article describes how to build this LED Matrix clock. What do you need?:
Arduino ESP8266 with WiFi
LED Matrix 64x32/4
Powersupply 5 Volts minimum 3A
Soldering iron
Micro USB-cable (to program the ESP8266)
Computer with USB outlet to program the ESP8266
The latest Arduino IDE (Free to download)
For this project I used the Wemos D1 mini. Price:6 Euro