How to use ESP32 Dual Core with Arduino IDE
The ESP32 comes with 2 Xtensa 32-bit LX6 microprocessors: core 0 and core 1. So, it is dual core. When we run code on Arduino IDE, by default, it runs on core …
ESP32 Static/Fixed IP Address
This tutorial shows how to set a static/fixed IP address for your ESP32 board. If you’re running a web server or Wi-Fi client with your ESP32 and every time you …
Latching Power Switch Circuit (Auto Power Off Circuit) for ESP32, ESP8266, Arduino
In this article we’ll show you how to build a Latching Power Switch Circuit, also know as an Auto Power Off Circuit. You can use this circuit to auto-power off …
ESP8266 Multisensor Shield with Node-RED
In this project you’ll discover how integrate the ESP8266 Multisensor Shield for the Wemos D1 Mini board with Node-RED. The ESP8266 Multisensor Shield will establish an MQTT connection with a Raspberry …
Build a Multisensor Shield for ESP8266
In this project you’ll discover how to design and create a Multisensor Shield for the ESP8266 Wemos D1 Mini board. The shield has temperature sensor (DS18B20), a PIR motion sensor, an …
How to Set an ESP32 Access Point (AP) for Web Server
The ESP32 can act as a Wi-Fi station, as an access point, or both. In this tutorial we’ll show you how to set the ESP32 as an access point using …
Installing the ESP32 Board in Arduino IDE (Mac OS X and Linux instructions)
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 …
ESP32 with PIR Motion Sensor using Interrupts and Timers
This tutorial shows how to detect motion with the ESP32 using a PIR motion sensor. In this example, when motion is detected (an interrupt is triggered), the ESP32 starts a …
Getting Date and Time with ESP32 on Arduino IDE (NTP Client)
In this tutorial we’ll show you how to get date and time using the ESP32 and Arduino IDE. Getting date and time is especially useful in data logging to timestamp …
Programming ESP32 with Atom Text Editor and PlatformIO IDE
In our ESP32 projects and tutorials, we recommend using the Arduino IDE to program the ESP32 development board. However, in some Windows computers it’s a bit tricky to install the …
ESP32 Web Server – Arduino IDE
In this project you’ll create a standalone web server with an ESP32 that controls outputs (two LEDs) using the Arduino IDE programming environment. The web server is mobile responsive and can be accessed with any device that as a browser on the local network.
Hantek DSO5102P Digital Storage Oscilloscope (DSO) Review
An oscilloscope is a great tool for debugging and better understand what is going on with your circuits. Unlike a multimeter that only shows the voltage at a specific moment, …
Guide for WS2812B Addressable RGB LED Strip with Arduino
This post is about the WS2812B LED strip, which is an addressable RGB LED strip. The information in this post also works with other similar LED strips, such as strips of the WS28XX …
TEVO Michelangelo Desktop 3D Printer Review
In this post I’m going to review the TEVO Michelangelo 3D printer. The TEVO Michelangelo is a small desktop 3D printer that comes fully assembled. All you have to do …