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environment-monitor

ESP32 IoT device to monitor environment data and upload it to a webserver

The Web Server serves an HTML page from the SPIFFS data directory that is read and updated with the sensor data using snprintf() before being sent to the server along with the relevant style.css (also present in the data directory). The webpage is reloaded every three seconds using simple JavaScript code so the sensor data being displayed remains updated.

Features:

Limitations:

  • Connections to the server are limited by the WiFi connection

How to build:

The easiest way to build the project and upload it to an ESP32 board would be using the Arduino IDE.

  • Get the Arduino-ESP32 core
  • Download the Adafruit Unified Sensor library along with the Adafruit DHT22 library from the Library Manager
  • Downalod the LiquidCrystal I2C library from the Library Manager
  • Build and upload the code to your ESP32 board

To Do:

  • Add a library for MQ135