smartDotMatrix

Multi-purpose dot matrix device

Video

Abstract

8x8x4 ESP8266 powered MAX72xx dot-matrix smart clock. Controllable with web interface via LAN and infrared remote controller.

Modes

• Clock
• Chronometer
• Calendar
• Thermometer [indoor]
• Humidometer [indoor]
• Weather forecast with sunrise-sunset times (needs an Internet connection and a dedicated server to run python codes in the "automationCode" folder)
• Thermometer [outdoor] (needs an Internet connection and a dedicated server to run python codes in the "automationCode" folder)
• Display rate of common currencies (needs an Internet connection and a dedicated server to run python codes in the "automationCode" folder)
• Display user-defined text message

Features

• Night mode with adjustable schedule (turn off display)
• External EEPROM to save preferences
• Auto-restart every 10 day
• OTA compatibility for software updates
• Infrared remote controller
• Web interface

Disclaimer & Apology Message

The base code is from before I realized writing readable code is essential. Therefore, it is a bit unreadable. Sorry for that.

Some pictures

References

• https://maker.robotistan.com/dot-matrix-arduino-saat/
• https://randomnerdtutorials.com/esp8266-ota-updates-with-arduino-ide-over-the-air/

--> External EEPROM reading-writing functions:

• https://dronebotworkshop.com/eeprom-arduino/
• https://arduino-projects4u.com/arduino-24c16/

--> Webpage UI designs:

• https://mytectutor.com/esp8266-nodemcu-relay-control-from-web-page-over-wifi/
• https://www.w3schools.com/howto/howto_css_custom_checkbox.asp