ESP8266 LED Matrix Bar Weather Station

LED Matrix Bar Weather Station and Clock Massenger

Firmware Version: V1.0.4b

• Change WebApp scroll control (2021/01/11)
• Added timer setting (2020/10/13)
• Added alarm message setting function: .................Set scroll message to alarm message (2020/09/13)
• Added alarm setting (2020/09/10)
• AM-PM Mode, 24-hour clock, 12-hour clock (2020/09/09)
• Google clock replaced with NTP clock (2020/09/07)
• Resolved a problem that initialized when receiving Google clock
• Added web page refresh time (2020/09/06)
• Added RGB LED (2020/09/05)
• Error: ets jan 8 2013,rst cause:2, boot mode:(3,6) (2020/09/05)
• Added MQTT - Adafruit IO MQTT + IFTTT + Google Assistant (2020/07/30)
• Update Count 7.5m to 60m (2020/07/22)
• Added CHAR_SHIFT_DELAY - Config (2020/07/22)
• Change DHT12 Library (2018/03/12)

Video:

• https://youtu.be/NvMaL1UP2G4 - v1.0.4b
• • https://youtu.be/KqBzKSkwXMY - RGB LED Lamp Testing
• • https://youtu.be/YhxY4NB5p2Y - Dual LED Matix Display Testing
• https://www.youtube.com/embed/51wum5p9660 - v1.0.1

Features:

• ESP8266 WeMos D1 mini module which I finally found good application for (now you can buy better cheap ESPs)

• 6 x LEDMatrix module with MAX7219 driver

• supplied directly from USB port with USB plug

• all data are synchronized every 7-8 minutes

• time and date are taken from NTP

• weather informations are grabbed from openweather.org JSON api

• no hardware RTC clock is necessary

• internal temperature, humidity sensor (options - DS18B20(Internal), DHT22(Indoor), DHT12(Outdoor))

• ESP8266 setup and control as a Wi-Fi Web Server (WiFiManager, OTA, mDNS)

• receives a message input from a User Input page, then displays the message on a scrolling LED matrix display.

• The interface for all the controls is designed as a webapp for internet browser.

Fuctions:

• mDNS
• WiFi Manager
• Web Server (WebUI)
• LED Matrix Clock
• Open Weather Map Weather Forecast
• Indoor and Outdoor temperature and Humidity sensor monitor
• Scrolling message
• Scroll Push Switch
• Lamp Push Switch
• Alarm time setting (WebUI)
• Alarm On/Off and Switch
• Google Assistant: Adafruit IO MQTT + IFTTT

BOM

• 6 x MAX7219 8x8 Matrix LED
• 1 x WeMos D1 mini
• 1 x Interface shield Additional Parts:
• 1 x DS18B20 temperature sensor (Option)
• 1 x DHT22 temperature and humidity sensor (Option)
• 1 x DHT12 temperature and humidity sensor (Option)
• N x WS2812B RGB LED (Option)
• 1 x Alarm On/Off button switch
• 1 x Lamp Push button switch
• 1 x Scroll Push button switch
• 1 x Power On/Off switch
• 1 x Buzzer

Configuring the upload environment

How to configure standard Arduino IDE to use as Arduino ESP8266 IDE.

First download Arduino IDE and install it on computer.

IMPORTANT: Download old version Arduino IDE Version 1.8.1. (Tested Version 1.8.9 and Version 1.8.13)

Open Arduino IDE and go to File - Preferences.

Enter http://arduino.esp8266.com/stable/package_esp8266com_index.json under Adittional boards manager.

Select Boards Manager in Tools - Board

Find ESP8266 and press Install

IMPORTANT: Download old version esp8266 by ESP8266 Community Version 2.3.0.

IMPORTANT: Additional Libraries

go to Sketch - Include Library - Manage Libraries

Find and Install

• WiFiManager by tzapu,tablatronix Version 0.15.0
• DHT Sensor library by Adafruit Version 1.3.0
• ArduinoJson by Benoit Blanchon Version 5.11.1
• Adafruit MQTT Client by Adafruit Version 1.3.0
• Adafruit_NeoPixel by Adafruit Version 1.1.2

After install select ESP8266 board.

• Board: WeMos D1 R2 & mini
• Upload Speed: "921600"
• CPU Frequency: "80 MHz"
• Flash Size: "4M (3M SPIFFS)"
• Port: COM??

Schematic is available here:

• Normal: https://easyeda.com/neoseven/led-matrix-bar-weather-station-normal
• Expansion: https://easyeda.com/neoseven/led-matrix-bar-weather-station (Unfinished - Future plans)

  
  

3D Parts:

• V2: http://shop.bluecomtech.com/ko_KR/product/led-matrix-bar-weather-station-v2-case-stnad
• V3: http://shop.bluecomtech.com/ko_KR/product/led-matrix-bar-weather-station-v3-case-stnad
• Pinshape : https://pinshape.com/items/46659-3d-printed-led-matrix-bar-weather-station-v1
• Thingiverse : https://www.thingiverse.com/thing:2650808

WebApp: