ESP32 with YX5300/YX6300 MP3 Player (Arduino IDE)
This is a guide on how to interface the YX5300 / YX6300 Serial MP3 Music Player Module with the ESP32 programmed with Arduino IDE. You’ll learn how to wire the …
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ESP32: 36 Free Guides for Sensors and Modules
There is a wide variety of sensors, modules, and peripherals compatible with the ESP32 boards. We have tutorials for the most popular components. This article is a compilation of 36 …
ESP32 with TM1637 4-Digit LED 7-Segment Display (Arduino IDE)
This is a guide on how to interface the TM1637 4-Digit LED 7-Segment display with the ESP32 programmed with Arduino IDE. You’ll learn how to wire the display to the …
MicroPython: ESP-NOW with ESP32 – Control Multiple Boards (One to Many)
In this guide, you’ll learn how to use ESP-NOW to control multiple ESP32 boards from a single ESP32 main controller (one-to-many setup). Think of it like a remote control that …
ESP32 FreeRTOS Mutex – Getting Started (Arduino IDE)
In this guide, you’ll learn how to use a FreeRTOS Mutex with the ESP32 programmed with Arduino IDE. A Mutex (Mutual Exclusion) is a special type of binary semaphore that …
ESP32: Set Up mDNS (Arduino IDE)
Learn how to set up Multicast DNS (mDNS) on your ESP32 programmed with the Arduino IDE. mDNS lets you refer to your ESP32 using a user-friendly name instead of its …
ESP-IDF: ESP32 GPIO – Read Analog Input (ADC – Analog to Digital Converter)
In this guide, you’ll learn how to set and read the ESP32 board’s GPIO pins as ADC (Analog to Digital Converter) with ESP-IDF (Espressif IoT Development Framework). The ESP32 is …
MicroPython: HTTP GET Requests with ESP32/ESP8266
Learn how to make HTTP GET Requests with the ESP32 or ESP8266 boards programmed with MicroPython. We’ll first cover the basics of HTTP GET requests, and then, we’ll create and …
Getting Started with Raspberry Pi
This article is an introduction to the Raspberry Pi. Learn what a Raspberry Pi is and what you can use it for. Explore its features, set it up, and install …
Install Mosquitto MQTT Broker on Raspberry Pi
In this post explains how to install the Mosquitto Broker on a Raspberry Pi. The broker is primarily responsible for receiving all messages, filtering the messages, decide who is interested in it and then publishing the message to all subscribed clients.
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 with FreeRTOS: Software Timers/Timer Interrupts (Arduino IDE)
In this guide, you’ll learn how to use software timers (timer interrupts) with the ESP32 using FreeRTOS programming on Arduino IDE. We’ll take a look at auto-reload (periodic) timers and …
Arduino UNO Q: Getting Started (Features, Pinout, Examples)
The Arduino was recently acquired by Qualcomm, and with that, they launched a completely new Arduino board: the Arduino UNO Q. While it maintains the same form factor as previous …
ESP32: Save Wi-Fi Credentials in a Separate File (and Other Sensitive Information)
Learn how to securely store Wi-Fi credentials and other sensitive information in a separate file for your ESP32 projects (also works for other Arduino based projects). This approach eliminates the …