wifidisplay

esp8266 and max7219 / 8x8 LED based wifi and mqtt display with responsive web UI

platformio

check platformio.ini for settings

Arduino Settings:

Board:Wemos D1 R2 & mini

History

Update: 04.08.2020	// komplette überarbeitung u.a. utf8ascii, ota, mqtt-topics, ...
Update: 12.09.2020	// neues WebUI inkl. config, settings, ...

Mosquitto

mosquitto_pub -q 2 -h 192.168.2.222 -u dirk -P **** -t "smarthome/infodisplay/message" -m "test"

Required libs

Max72xxPanel
    --> https://github.com/markruys/arduino-Max72xxPanel
PubSubClient --> https://pubsubclient.knolleary.net/api
    --> https://github.com/knolleary/pubsubclient/blob/master/examples/mqtt_esp8266/mqtt_esp8266.ino
Font Customizer:
    --> https://tchapi.github.io/Adafruit-GFX-Font-Customiser/
ESPAsyncTCP & ESP Async WebServer
    --> https://github.com/me-no-dev/ESPAsyncWebServer
  Adafruit BusIO & Adafruit GFX Library 
    --> https://github.com/adafruit/Adafruit-GFX-Library
  ArduinoJson > 6.x
    --> https://arduinojson.org
  Time > 1.5
    --> https://github.com/PaulStoffregen/Time    

connecting the DOT Matix

DOT Matrix	ESP8266 / NodeMCU
VCC	5V (VUSB)
GND	GND
DIN	D7 (GPIO13)
CS	D3 (GPIO0)
CLK	D5 (GPIO14)
DIM LDR	A0

homebridge configuration

• https://homebridge.io
• https://www.npmjs.com/package/homebridge-http-lightbulb

{
	"accessory": "HTTP-LIGHTBULB",
	"name": "display",
	"onUrl": "http://192.168.2.102/on",
	"offUrl": "http://192.168.2.102/off",
	"statusUrl": "http://192.168.2.102/state",
	"brightness": {
		"setUrl": "http://192.168.2.102/brightness?value=%s",
		"statusUrl": "http://192.168.2.102/brightness"
	}
}

housing / 3d print

http://www.thingiverse.com/thing:3154164

Hints / ideas taken from ...

• http://esp32-server.de/ntp/
• https://tttapa.github.io/ESP8266/Chap15%20-%20NTP.html
• https://github.com/esp8266/Arduino/blob/master/libraries/ESP8266WiFi/examples/NTPClient/NTPClient.ino
• https://github.com/esp8266/Arduino/blob/master/libraries/esp8266/examples/NTP-TZ-DST/NTP-TZ-DST.ino
• https://fipsok.de/Esp32-Webserver/ntp-zeit-Esp32.tab
• http://esp32-server.de/ntp/
• https://www.electronics-lab.com/project/network-clock-using-esp8266-oled-display/
• http://forum.arduino.cc/index.php?topic=143903.msg1080948#msg1080948
• https://github.com/Qrome/marquee-scroller
• https://www.mikrocontroller.net/attachment/highlight/389184
• https://forum.mysensors.org/topic/1976/scrolling-text-sensor-node-with-new-v_text/2
• https://playground.arduino.cc/Main/Utf8ascii/
• https://forum.arduino.cc/index.php?topic=171056.975
• https://blog.thesen.eu/lokale-uhrzeit-mit-dem-esp8266-und-einem-ntp-zeitserver-inklusive-sommerwinterzeit/
• https://tttapa.github.io/ESP8266/Chap09%20-%20Web%20Server.html
• https://ullisroboterseite.de/esp8266-webserver-klasse.html
• https://git.hacknology.de/wolfgang/CucooLixe/src/branch/master/src/main.cpp
• https://esp32.com/viewtopic.php?t=9783
• https://forum.arduino.cc/index.php?topic=484418.0
• https://github.com/lorol/ESPAsyncWebServer/blob/master/examples/SmartSwitch/SmartSwitch.ino