DHT

ESP8266 project:

• Connecting one DHT11 sensor to the ESP
• Connection to MQTT broker
• Webserver
• Print Temperature & Humidity on OLED screen
• OTA support
  • From Arduino IDE it self
  • From WebBrowser http://<ip>/ota (login is admin, password is MAC Address)

Configuration

• my_wifi.h : Add your WiFi credentials
• my_mqtt.h : Add you broker details (ip, username, password)

Copy the templates and adapt them to your needs

cp my_wifi.h.sample my_wifi.h 
cp my_mqtt.h.sample my_mqtt.h 

Dependencies

• PubSubClient by Nick O'Leary (v2.7.0+)
• DHT sensor library by Adafruit (v1.3.8)

Board tested

• ARDUINO_ESP8266_WEMOS_D1MINI : LOLIN(WEMOS) D1 R2 & Mini
  • ESP DevBoard with onboard direct connector for DHT & OLED
  • ESP Devboard with no screen
• ARDUINO_ESP8266_WEMOS_D1R1 : Wemos D1 R1
  • ESP DevBoard with Battery holder