Of this software and associated documentation files. Permission is hereby granted, free of charge, to any person obtaining a copy The HTML file should be saved inside a folder called data inside the Arduino sketch folder, as shown below: Creating the HTML File To build the web server you need two different files. Recommended reading: ESP8266 Pinout Reference Guide Organizing your Files Recommended reading: ESP32 Pinout Reference Guide BME280 wiring to ESP8266 BME280Īssemble your circuit as in the next schematic diagram if you’re using an ESP8266 board. So, assemble your circuit as shown in the next schematic diagram. The BME280 sensor module we’re using communicates via I2C communication protocol, so you need to connect it to the ESP32 or ESP8266 I2C pins. To follow this tutorial you need the following parts: You can install these libraries through the Arduino Library Manager. To get readings from the BME280 sensor module you need to have the next libraries installed: These libraries aren’t available to install through the Arduino Library Manager, so you need to copy the library files to the Arduino Installation folder. ESP8266: you need to install the ESPAsyncWebServer and the ESPAsyncTCP libraries.ESP32: you need to install the ESPAsyncWebServer and the AsyncTCP libraries.To build the asynchronous web server, you need to install the following libraries. ESP8266 : Install FileSystem Uploader Plugin in Arduino IDE.ESP32 : Install FileSystem Uploader Plugin in Arduino IDE.Follow one of the next tutorials to install the filesystem uploader depending on the board you’re using: ![]() To upload the HTML file to the ESP32 and ESP8266 flash memory, we’ll use a plugin for Arduino IDE: Filesystem uploader. Installing ESP8266 Board in Arduino IDE (Windows, Mac OS X, Linux).Installing ESP32 Board in Arduino IDE (Windows, Mac OS X, Linux).Follow one of the next tutorials to install the ESP add-on: So, you must have the ESP32 or ESP8266 add-on installed. We’ll program the ESP32 and ESP8266 using Arduino IDE. Make sure you check all the prerequisites in this section before continuing with the project in order to compile the code. The charts display a maximum of 40 data points, and a new reading is added every 30 seconds, but you change these values in your code. We’ll create three charts: temperature, humidity and pressure over time. To build the charts, we’ll use the Highcharts library. ESP8266 with BME280 Sensor using Arduino IDE (Pressure, Temperature, Humidity).ESP32 with BME280 Sensor using Arduino IDE (Pressure, Temperature, Humidity).To learn more about the BME280, read our guides: ![]() ![]() We’ll display temperature, humidity and pressure readings from a BME280 sensor on a chart, but you can modify this project to display sensor readings from any other sensor. ESP8266 Web Server using SPIFFS (SPI Flash File System).ESP32 Web Server using SPIFFS (SPI Flash File System). ![]() To learn more about building a web server using SPIFFS, you can refer to the next tutorials: The HTML to build the web page will be stored on the ESP32 or ESP8266 Filesystem (SPIFFS). In this tutorial we’ll build an asynchronous web server using the ESPAsyncWebServer library. The ESP will host a web page with three real time charts that have new readings added every 30 seconds. Learn how to plot sensor readings (temperature, humidity, and pressure) on a web server using the ESP32 or ESP8266 with Arduino IDE.
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