ESP32 Web Server: Control Stepper Motor (WebSocket)
In this guide you’ll learn how to create a web server with the ESP32 that displays a web page to control a stepper motor. The web page allows you to …
ESP32 Web Server: Control Stepper Motor (HTML Form)
In this tutorial, you’ll learn how to create a web server with the ESP32 to control a stepper motor remotely. The web server displays a web page with an HTML …
ESP32 Door Status Monitor with Email Notifications (IFTTT)
In this project, you’re going to monitor the status of a door using an ESP32 board and a magnetic reed switch. You’ll receive an email notification whenever the door changes state: opened or …
ESP8266 NodeMCU Door Status Monitor with Email Notifications (IFTTT)
In this project, you’re going to monitor the status of a door using an ESP8266 NodeMCU board and a magnetic reed switch. You’ll receive an email notification whenever the door changes state: opened …
Guide for TCA9548A I2C Multiplexer: ESP32, ESP8266, Arduino
In this guide, you’ll learn how to expand the I2C bus ports (ESP32, ESP8266, Arduino) using the TCA9458A 1-to-8 I2C Multiplexer. This piece of hardware is useful if you want …
ESP8266 NodeMCU with Stepper Motor (28BYJ-48 and ULN2003 Motor Driver)
In this guide, you’ll learn how to control a stepper motor with the ESP8266 NodeMCU board. We’ll use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. We’ll program …
ESP32 with Stepper Motor (28BYJ-48 and ULN2003 Motor Driver)
In this guide, you’ll learn how to control a stepper motor with the ESP32. We’ll use the 28BYJ-48 unipolar stepper motor with the ULN2003 motor driver. The ESP32 board will …
MicroPython: HC-SR04 Ultrasonic Sensor with ESP32 and ESP8266 (Measure distance)
In this guide, you’ll learn how to use the HC-SR04 Ultrasonic Sensor with the ESP32 and ESP8266 to get the distance to an object using MicroPython firmware. This tutorial covers …
ESP8266 NodeMCU WebSerial: Web-based Remote Serial Monitor
In this guide, you’ll learn how to create and use a web-based “Serial Monitor” for your ESP8266 NodeMCU projects using the WebSerial library. This creates a web-based interface to output …
ESP32 WebSerial: Web-based Remote Serial Monitor
In this guide, you’ll learn how to create and use a web-based “Serial Monitor” for your ESP32 projects using the WebSerial library. This creates a web-based interface to output debugging …
Altimeter Datalogger: ESP32 with BMP388, MicroSD Card Storage and OLED Display
In this project, we’ll build an altimeter datalogger with the ESP32 and the BMP388 sensor. The BMP388 is a precise pressure sensor that allows us to estimate altitude with great …
ESP8266 NodeMCU with HC-SR04 Ultrasonic Sensor with Arduino IDE
This guide shows how to use the HC-SR04 Ultrasonic Sensor with the ESP8266 NodeMCU board using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an …
Complete Guide for Ultrasonic Sensor HC-SR04 with Arduino
This article is a guide about the Ultrasonic Sensor HC-SR04. We’ll explain how it works, show you some of its features and share an Arduino project example you can follow …
ESP32 with HC-SR04 Ultrasonic Sensor with Arduino IDE
This guide shows how to use the HC-SR04 Ultrasonic Sensor with the ESP32 board using the Arduino core. The ultrasonic sensor uses sonar to determine the distance to an object. …