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This article is a getting-started guide for the Raspberry Pi Pico W microcontroller board. It was built around the RP2040 chip, provides many GPIOs to connect peripherals, and can be programmed using C/C++ programming language or Micropython. Let’s explore the…

This guide explains how to install Node-RED software on a Linux Ubuntu VM (Virtual Machine) using Digital Ocean. Running Node-RED in the cloud allows you to access your Node-RED Dashboard from anywhere. You can also install the MQTT Mosquitto Broker in your…

Learn how to install Mosquitto Broker for MQTT communication on a Linux Ubuntu VM (Virtual Machine) using Digital Ocean. Running an MQTT Mosquitto Broker in the cloud enables you to connect multiple ESP32/ESP8266 boards and other IoT devices from anywhere,…

This article is an introduction to the MQTT protocol. MQTT stands for Message Queuing Telemetry Transport, a simple messaging protocol suitable for communication between IoT devices. What is MQTT? MQTT stands for Message Queuing Telemetry Transport. MQTT is a simple messaging protocol, designed for constrained devices with low…

This tutorial shows how to install the Mosquitto Broker for MQTT communication on a Raspberry Pi board. You can also run the Mosquitto MQTT broker in the cloud. Running the MQTT Mosquitto Broker in the cloud allows you to connect…

This tutorial explains how to set up Bluetooth Low Energy (BLE) communication between a Raspberry Pi and a Raspberry Pi Pico W. We’ll start by covering the basics of BLE, including the roles of Central and Peripheral devices. After that,…

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 the operating system. Introducing the Raspberry Pi The Raspberry Pi…

In this guide, you’ll learn how to set up a video streaming web server with a Raspberry Pi and a camera using a simple script with the Picamera2 library. You’ll be able to access the streaming web server on any web browser…

This guide is an introduction to the Picamera2 Python library for the Raspberry Pi board. It covers how to install Picamera2, take photos, and record video to an .mp4 file. This guide is compatible with the Raspberry Pi Camera V2 and V3. Prerequisites Before…

This guide is an introduction to the MediaPipe Python library on a Raspberry Pi board. It covers installing MediaPipe using pip on a virtual environment and running a gesture recognition example. MediaPipe is a cross-platform pipeline framework to build custom machine learning…