Instructions | WiFi sync precision dot matrix clock

1

Download and install Arduino IDE

Link Arduino

Install ESP8266 library --> Preference --> Additional board manager URL:

Put this URL: http://arduino.esp8266.com/stable/package_esp8266com_index.json

-->Tools --> Board: --> Boards manager -->Search "esp8266" --> install
2

Download and install NodeMCU Py Flasher

Link Py Flasher
3

Download and install ch340g or cp2102 USB driver

Link ch340g

Link cp2102
4

Flash NodeMCU firmware

Use firmware "nodemcu-master-22-modules-2018-03-30-21-50-21-float.bin"
5

Upload your project to NodeMCU

Open file "ESP_LEDMatrix_Clock_NTP_WM.ino" and download to NodeMCU
6

Connect dupont cables to Max7219

Vcc Red

Gnd Brown

D3 Yellow CS

D5 Green CLK

D7 Orange DIN
7

Connect power

Gnd (-) from 6V power adapter

Vin (+) from 6V power adapter
8

Step 8

Cut box and glue Max7219 with hot glue !

WiFi sync precision dot matrix clock