This is a in-depth guide for the DS18B20 temperature sensor with ESP32 using Arduino IDE. We’ll show you how to wire the sensor, install the required libraries, and write the …
CONTINUE READING »ESP32 DS18B20 Temperature Sensor with Arduino IDE (Single, Multiple, Web Server)
This guide shows how to read temperature from multiple DS18B20 temperature sensors with the ESP32 using Arduino IDE. We’ll show you how to wire the sensors on the same data …
CONTINUE READING »ESP32 with Multiple DS18B20 Temperature Sensors
The Wemos Lolin32 OLED is an ESP32 development board with built-in OLED display. In this guide, we’ll take a quick look at the board, its pinout, and how to control …
CONTINUE READING »ESP32 Built-in OLED Board (Wemos Lolin32): Pinout, Libraries and OLED Control
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.
This tutorial shows how to display images (.png and .jpg) in your ESP32 or ESP8266 web servers using Arduino IDE. We cover how to embedded images in an asynchronous web …
CONTINUE READING »How to Display Images in ESP32 and ESP8266 Web Server
There’s an add-on for the Arduino IDE that allows you to program the ESP32 using the Arduino IDE and its programming language. In this tutorial we’ll show you how to …
CONTINUE READING »Installing the ESP32 Board in Arduino IDE (Windows, Mac OS X, Linux)
This guide shows how to use the BME280 sensor module with the ESP32 to read pressure, temperature, humidity and estimate altitude using Arduino IDE. The BME280 sensor uses I2C or …
CONTINUE READING »ESP32 with BME280 Sensor using Arduino IDE (Pressure, Temperature, Humidity)
Learn how to take photos with the ESP32-CAM board and save them to a microSD card using Arduino IDE. When you press the ESP32-CAM RESET button, it wakes up, takes …
CONTINUE READING »ESP32-CAM Take Photo and Save to MicroSD Card
After releasing some projects with the ESP32-CAM, some readers reported issues when trying to use the ESP32-CAM. This guide is a compilation with the most common errors when using the …
CONTINUE READING »ESP32-CAM Troubleshooting Guide: Most Common Problems Fixed
In this project you’ll build an ESP32 or ESP8266 client that makes an HTTP POST request to a PHP script to insert data (sensor readings) into a MySQL database. You’ll …
CONTINUE READING »ESP32/ESP8266 Insert Data into MySQL Database using PHP and Arduino IDE
This article shows how to use the ESP32 touch pins with Arduino IDE. The ESP32 touch pins can sense variations in anything that holds an electrical charge. They are often …
CONTINUE READING »ESP32 Capacitive Touch Sensor Pins with Arduino IDE
This article shows how to read analog inputs with the ESP32 using Arduino IDE. Analog reading is useful to read values from variable resistors like potentiometers, or analog sensors. Reading …
CONTINUE READING »ESP32 ADC – Read Analog Values with Arduino IDE
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 …
CONTINUE READING »ESP32 Built-In Hall Effect Sensor with Arduino IDE and MicroPython
This guide shows how to use the 0.96 inch SSD1306 OLED display with ESP32 using Arduino IDE. We’ll show you how to write text, set different fonts, draw shapes and …