ESP32 Pinout Reference: Which GPIO pins should you use?
The ESP32 chip comes with 48 pins with multiple functions. Not all pins are exposed in all ESP32 development boards, and there are some pins that cannot be used.
ESP32/ESP8266 Publish Data to Raspberry Pi LAMP Server
In this project you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a Raspberry Pi LAMP server (Linux, Apache, MySQL, PHP). The Raspberry Pi has …
Raspberry Pi: Install Apache + MySQL + PHP (LAMP Server)
In this guide, you’ll learn how to install a LAMP (Linux, Apache, MySQL, PHP) server on a Raspberry Pi. LAMP is a software bundle that is used for web development. …
MicroPython: ESP32/ESP8266 Access Point (AP)
Learn how to set your ESP32 or ESP8266 boards as an Access Point (AP) using MicroPython firmware. This allows you to connect directly to your ESP boards via Wi-Fi without …
ESP8266 NodeMCU Access Point (AP) for Web Server
In this tutorial, you’ll learn how to set your ESP8266 NodeMCU as an Access Point (AP) using Arduino IDE. This allows you to connect directly to your ESP8266 via Wi-Fi …
ESP32 SIM800L: Send Text Messages (SMS Alert) with Sensor Readings
In this project we’re going to create an SMS notification system with the T-Call ESP32 SIM800L module that sends an SMS when sensor readings are above or below a certain …
ESP32 Publish Data to Cloud without Wi-Fi (TTGO T-Call ESP32 SIM800L)
This project shows how to connect the TTGO T-Call ESP32 SIM800L board to the Internet using a SIM card data plan and publish data to the cloud without using Wi-Fi. …
Input Data on HTML Form ESP32/ESP8266 Web Server using Arduino IDE
In this guide, you’ll learn how to create an ESP32/ESP8266 web server with three input fields to pass values to your ESP using an HTML form. Then, you can use …
ESP32 Built-In Hall Effect Sensor with Arduino IDE and MicroPython
The ESP32 development board features a built-in hall effect sensor that detects changes in the magnetic field in its surroundings. This tutorial shows how to use the ESP32 hall effect …
ESP8266 Web Server using SPIFFS (SPI Flash File System) – NodeMCU
This tutorial shows how to build a web server that serves HTML and CSS files stored on the ESP8266 NodeMCU filesystem (SPIFFS) using Arduino IDE. Instead of having to write …
ESP32 DHT11/DHT22 Web Server – Temperature and Humidity using Arduino IDE
In this project, you’ll learn how to build an asynchronous ESP32 web server with the DHT11 or DHT22 that displays temperature and humidity using Arduino IDE. The web server we’ll …
Build an ESP8266 Web Server – Code and Schematics (NodeMCU)
This tutorial is a step-by-step guide that shows how to build a standalone ESP8266 Web Server that controls two outputs (two LEDs). This ESP8266 NodeMCU Web Server is mobile responsive …
ESP8266 Interrupts and Timers using Arduino IDE (NodeMCU)
In this guide, you’ll learn how to use interrupts and timers with the ESP8266 NodeMCU using Arduino IDE. Interrupts allow you to detect changes in the GPIO state without the …
ESP32 Web Server with BME280 – Advanced Weather Station
In this tutorial you’re going to learn how to create a web server with the ESP32 to display readings from the BME280 sensor module. The BME280 sensor measures temperature, humidity, …