ESP-IDF: ESP32 I2C Scanner – Finding the Address of I2C Devices
This is a quick guide that shows how to create an ESP-IDF I2C scanner that finds the address of all I2C devices connected to the ESP32 SDA and SCL pins. …
ESP32: WS2812B Addressable RGB LEDs (Neopixels) – Arduino IDE
This guide shows how to control WS2812B addressable RGB LEDs (also known as Neopixels) with the ESP32 using Arduino IDE. You’ll learn how to wire the WS2812B LEDs to the …
Bidirecional BLE Communication between Raspberry Pi and Raspberry Pi Pico W
Learn how to establish a bidirectional Bluetooth Low Energy (BLE) communication between a Raspberry Pi and a Raspberry Pi Pico. The Raspberry Pi Pico will be set as a BLE …
ESP32 ESP-NOW Web Server: Control Multiple ESP32 Boards
Learn how to create an ESP32 Web Server that uses ESP-NOW to control the GPIOs of multiple ESP32 boards. The web server acts like a remote control to send ESP-NOW …
Install ESP-IDF Extension for ESP32 on VS Code (Windows, Mac OS X, Linux)
Learn how to install the ESP-IDF extension for ESP32 boards on VS Code IDE (Microsoft Visual Studio Code) on Windows, Mac OS X or Linux Ubuntu operating systems. Introduction to …
Programming ESP32 with ESP-IDF using VS Code – Getting Started Guide
Learn how to program the ESP32 boards with the ESP-IDF (Espressif IoT Development Framework). The ESP-IDF was developed by Espressif and it is intended for development of Internet of Things …
ESP32 NTP Digital Clock with Timezone and Daylight Saving Time
In this tutorial, you’ll create an ESP32 internet-connected digital clock that you can adjust for your timezone, and that automatically handles daylight saving time. The ESP32 gets the current time …
ESP32 Web BLE: Live Sensor Data Visualization (BME280 Charts)
In this project, we’ll show you how to use Web Bluetooth (Web BLE) with the ESP32 to display live sensor data on a browser while you’re connected to your ESP32 …
ESP-IDF: ESP32 HTTP GET Request (Time API)
This tutorial is a getting started guide to HTTP GET requests with the ESP32 board using ESP-IDF framework. HTTP Requests are fundamental to interact with web services to retrieve data …
ESP32 CYD with ESP-NOW: Control Multiple ESP32 Boards
Learn how to use ESP-NOW with the ESP32 CYD Board (Cheap Yellow Display) to control the GPIOs of multiple ESP32 boards. The CYD board acts like a remote control to …
Raspberry Pi Pico with Relay Module (MicroPython)
Learn to control a relay module using the Raspberry Pi Pico programmed with MicroPython. In terms of code, controlling a relay module with the Raspberry Pi Pico is the same …
Raspberry Pi Pico Web Server: Files from Filesystem (MicroPython)
Learn how to create a web server with the Raspberry Pi Pico that serves files saved on its filesystem. Instead of writing the HTML directly in the MicroPython script, it …
ESP32 Send Emails using an SMTP Server: HTML, Text, and Attachments (Arduino IDE)
Learn how to send emails with the ESP32 using an SMTP Server. We’ll show you how to send a simple email with HTML or raw text and how to send …
ESP32 Web Server: Charts with Historical Data (load .csv file)
Learn how to create an ESP32 web server that displays charts with data loaded from a .csv file saved on a microSD card. In this project, we’ll build an ESP32 …