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Category Archives for Node-RED

What is MQTT and How It Works

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In this article, we’re going to introduce you to the MQTT protocol. MQTT stands for Message Queuing Telemetry Transport. It is a lightweight publish and subscribe system where you can publish and receive messages as a client. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, […]

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ESP8266 Multisensor Shield with Node-RED

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In this project you’ll discover how integrate the ESP8266 Multisensor Shield for the Wemos D1 Mini board with Node-RED. The ESP8266 Multisensor Shield will establish an MQTT connection with a Raspberry Pi running Node-RED and Mosquitto MQTT broker. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, […]

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ESP32 MQTT – Publish and Subscribe with Arduino IDE

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This project shows how to use MQTT communication protocol with the ESP32 to publish messages and subscribe to topics. As an example, we’ll publish BME280 sensor readings to the Node-RED Dashboard, and control an ESP32 output. The ESP32 we’ll be programmed using Arduino IDE. Learn ESP32 with Arduino IDE This our complete guide to program […]

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Car Plate Recognition System with Raspberry Pi and Node-RED

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In this project you’re going to learn how to build a car recognition system using a Raspberry Pi and Node-RED. For this project we’ll be using a software called OpenALPR (Automatic License Place Recognition) that has an API you can use to identify car plates and car models based on an image. Learn ESP32 with […]

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Node-RED with Xiaomi Mijia Bedside Lamp (Wi-Fi and Bluetooth)

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In this tutorial we’ll show you how you can integrate the Xiaomi Mijia Bedside Lamp with Node-RED. The Xiaomi Mijia Bedside Lamp is a smart lamp with built-in Bluetooth and Wi-Fi. It can be controlled with touch, using the Yeelight app, or using an home automation platform like Node-RED. Learn ESP32 with Arduino IDE This […]

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Node-RED with Xiaomi Yeelight RGBW Smart Bulb

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Xiaomi Yeelight is a Wi-Fi smart RGBW LED bulb that you can integrate with Node-RED. So, in this project we’re going to show you how to build a web application with Node-RED and Raspberry Pi to control the Yeelight lamp. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino […]

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Node-RED with WS2812B Addressable RGB LED Strip

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Addressable RGB LED strips are just awesome! You can control each individual pixel of the strip, allowing you to produce beautiful effects. However, controlling these kind of strips it’s not always easy. So, in this project we’re going to show you how to build a web application with Node-RED and Raspberry Pi to control an […]

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Node-RED with Raspberry Pi Camera (Take Photos)

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In this project we’re going to show you how to take photos with Node-RED using the Raspberry Pi Camera Module V2. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations are open, so SIGN UP NOW »

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ESP8266 and Node-RED with MQTT (Publish and Subscribe)

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In this post we’re going to show you how to control ESP8266 outputs and display sensor data from the ESP8266 on Node-RED. The Node-RED software is running on a Raspberry Pi, and the communication between the ESP8266 and the Node-RED software is achieved with the MQTT communication protocol. Learn ESP32 with Arduino IDE This our […]

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Getting Started with Node-RED Dashboard

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This post is an introduction to Node-RED dashboard with Raspberry Pi. We’ll cover how to install Node-RED Dashboard and exemplify how to build a graphical user interface. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations are open, so SIGN UP […]

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SQLite with Node-RED and Raspberry Pi

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In this project you’ll install an SQLite package for Node-RED and learn how to write simple SQL queries to interact with your SQLite database. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations are open, so SIGN UP NOW »

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Getting Started with Node-RED on Raspberry Pi

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This post is an introductory guide to Node-RED. I’ll cover what’s Node-RED, how to install it, how to use the visual interface to create a simple flow. Learn ESP32 with Arduino IDE This our complete guide to program the ESP32 with Arduino IDE, including projects, tips, and tricks! The registrations are open, so SIGN UP NOW »

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Upgrade from Node-RED-Contrib-UI to Node-RED-Dashboard

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[NEW GUIDE] Learn how to use Node-RED Dashboard with your Raspberry Pi If you followed the Build a Home Automation System for $100 course prior to August 27 2016, you know that I’ve used Node-RED-Contrib-UI to build the user interface for the home automation system. But, sadly the guy that developed the Node-RED-Contrib-UI will no longer be […]

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Exporting and Backing Up your Node-RED Nodes

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This post shows how to export your Node-RED Nodes. This is useful if you need to: Backup your Node-RED flow Move your flow to another Raspberry Pi (or machine) Share your Node-RED project with others Example Imagine that you had the following nodes in your flow: You would need to click the deploy button on the top-right corner to […]

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