How to Power the Raspberry Pi Pico? 6 Different ways
In this quick guide, we’ll show you six different ways to power your Raspberry Pi Pico microcontroller board. It can be powered via the micro-USB port or via GPIO 39. …
ESP32 with LVGL: Display DS18B20 Sensor Readings on TFT LCD (Text and Arc)
In this guide, you’ll learn how to program the ESP32 with LVGL (Light Versatile Graphics Library) to display temperature from the DS18B20 sensor on a TFT LCD Touchscreen Display (2.8 …
ESP32 CYD with LVGL: Display Temperature with DS18B20 Sensor (Text and Arc)
In this guide, you’ll learn how to display temperature from the DS18B20 sensor on an ESP32 Cheap Yellow Display (CYD) using LVGL (Light Versatile Graphics Library). We’ll display the temperature …
ESP32 I2C Master and Slave (I2C Communication Between Two ESP32) – Arduino IDE
In this guide, you’ll learn how to exchange data between two ESP32 boards using I2C communication protocol. One ESP32 board will be set as an I2C master and the other …
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 …
MicroPython: ESP32 – Getting Started with Bluetooth Low Energy (BLE)
This tutorial is a getting started guide to Bluetooth Low Energy (BLE) with the ESP32 programmed with MicroPython firmware. We’ll introduce you to BLE basic concepts and run some simple …
ESP32 Servo Motor Web Server with Arduino IDE
In this tutorial, you’ll learn how to build a web server with the ESP32 that controls the shaft’s position of a servo motor using a slider. First, we’ll take a …
ESP32 with VS Code and PlatformIO: Upload Files to LittleFS Filesystem
Learn how to upload files to the ESP32 LittleFS filesystem using VS Code with the PlatformIO IDE extension. Using the filesystem with the ESP32 can be useful to save .txt, …
Raspberry Pi Pico with I2C LCD Display (MicroPython)
Learn how to use the I2C LCD (Liquid Crystal Display) with the Raspberry Pi Pico programmed with MicroPython. We’ll cover how to write static text, scrolling text, and how to …
ESP32 Web Server with Slider: Control LED Brightness (PWM)
This tutorial shows how to build an ESP32 web server with a slider to control the LED brightness. You’ll learn how to add a slider to your web server projects, …
ESP32 PWM with Arduino IDE (Analog Output)
Learn to generate PWM signals with the ESP32 using Arduino IDE. We’ll explain two different methods: using analogWrite and using the LEDC API. As an example, we’ll build a simple …
ESP32 with DC Motor and L298N Motor Driver – Control Speed and Direction
This tutorial shows how to control the direction and speed of a DC motor using an ESP32 and the L298N Motor Driver. First, we’ll take a quick look at how the …
Getting Started with ESP32 Bluetooth Low Energy (BLE) on Arduino IDE
The ESP32 comes not only with Wi-Fi but also with Bluetooth and Bluetooth Low Energy (BLE). This post is a quick introduction to BLE with the ESP32. First, we’ll explore …
ESP32: Migrating from version 2.x to 3.0 (Arduino IDE)
Recently the ESP-IDF has been updated and with this new major version, there are some breaking changes in the API. In this guide, you’ll learn about all changes in the …