Node-RED | Random Nerd Tutorials

Getting Started with Node-RED Dashboard on Raspberry Pi

Sara Santos — Thu, 30 Jun 2022 09:55:00 +0000

This article is an introduction to the Node-RED dashboard with Raspberry Pi. We’ll cover how to install Node-RED Dashboard and exemplify how to build a graphical user interface for your ...

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Getting Started with Node-RED on Raspberry Pi

Rui Santos — Tue, 28 Jun 2022 10:35:00 +0000

Get started with Node-RED on the Raspberry Pi. Node-RED is a powerful open-source tool for visual programming to build Internet of Things (IoT) applications. In this tutorial, we’ll cover what ...

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What is MQTT and How It Works

Rui Santos — Thu, 16 Dec 2021 07:21:00 +0000

In this article, we're going to introduce you to the MQTT protocol. MQTT stands for Message Queuing Telemetry Transport.

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Car Plate Recognition System with Raspberry Pi and Node-RED

Rui Santos — Sat, 26 Jan 2019 11:02:09 +0000

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 ...

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ESP8266 Multisensor Shield with Node-RED

Rui Santos — Wed, 19 Sep 2018 10:01:30 +0000

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 ...

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ESP32 MQTT – Publish and Subscribe with Arduino IDE

Rui Santos — Wed, 13 Jun 2018 12:04:34 +0000

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 ...

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

Sara Santos — Sat, 03 Feb 2018 10:41:04 +0000

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 ...

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Node-RED with Xiaomi Yeelight RGBW Smart Bulb

Rui Santos — Sat, 18 Nov 2017 12:02:57 +0000

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 ...

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Node-RED with WS2812B Addressable RGB LED Strip

Sara Santos — Wed, 15 Nov 2017 11:19:00 +0000

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 ...

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Node-RED with Raspberry Pi Camera (Take Photos)

Rui Santos — Tue, 10 Oct 2017 13:08:01 +0000

In this project we’re going to show you how to take photos with Node-RED using the Raspberry Pi Camera Module V2. Prerequisites: You should be familiar with the Raspberry Pi ...

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