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 …
Sara Santos
Raspberry Pi Pico W: Set a Static IP Address (MicroPython)
Learn how to set a static / fixed IP address for your Raspberry Pi Pico W. When your Pico connects to a network, some routers may assign a different IP …
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 …
ESP32 GPIO Interrupts with Arduino IDE
Learn how to configure and handle interrupts with the ESP32 board to detect and respond to changes on its input GPIOs. We’ll build a project example using a pushbutton and …
ESP32 with PIR Motion Sensor using Interrupts and Timers (Arduino IDE)
Learn how to use a PIR (Passive Infrared) Motion Sensor with the ESP32 programmed with Arduino IDE to detect motion. We’ll create a simple example to introduce you to the …
BLE Communication between Raspberry Pi and Raspberry Pi Pico W
This tutorial explains how to set up Bluetooth Low Energy (BLE) communication between a Raspberry Pi and a Pico W. We’ll start by covering the basics of BLE, including the …
ESP32 with FreeRTOS: Getting Started with Semaphores (Arduino IDE)
In this guide, we’ll introduce you to and explain how to use FreeRTOS semaphores with the ESP32, using the Arduino IDE. Semaphores are like signals (or flags) that allow you …
MicroPython: ESP-NOW with ESP32—Receive Data from Multiple Boards (many-to-one)
In this MicroPython guide, we’ll show you how to set up an ESP32 to receive and display data from multiple ESP32 boards using the ESP-NOW communication protocol (many-to-one configuration). We’ll …
ESP32 with FreeRTOS Queues: Inter-Task Communication (Arduino IDE)
In this guide, you’ll learn how to use FreeRTOS queues for safe and efficient communication between tasks on the ESP32, using the Arduino IDE. Queues allow you to exchange data …
Raspberry Pi Pico: HC-SR04 Ultrasonic Sensor (MicroPython)
Learn how to use the HC-SR04 Ultrasonic Sensor with the Raspberry Pi Pico to get the distance to an object using MicroPython firmware. This tutorial covers how to wire the …
Raspberry Pi Pico: HC-SR04 Ultrasonic Sensor (Arduino IDE)
Learn how to use the HC-SR04 Ultrasonic Sensor with the Raspberry Pi Pico to get the distance to an object programmed using Arduino IDE. This tutorial covers how to wire …