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Guide for WS2812B Addressable RGB LED Strip with Arduino

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects This post is about the WS2812B LED strip, which is an addressable RGB LED strip. The information in this post also works with other similar LED strips, such as strips of the WS28XX family, Neopixel strip and others.

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Getting Started with Node-RED on Raspberry Pi

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects 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.

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Electronics Basics – Types of Switches and How Switches Work

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects Switches are very simple components essential in your electronics circuits. A switch can: act as an interrupter, interrupting the electric current. In the example in the figure below, the switch is either interrupting the current to flow and the LED doesn’t turn on, or it allows the electric […]

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

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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 able to update that package. Luckily, the Node-RED team announced that […]

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Exporting and Backing Up your Node-RED Nodes

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects 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 […]

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4 Hot Glue Tricks for Your Electronics Projects

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects Hot glue is great. It is very handy for a wide variety of applications if you want make something stick together. Here’s 4 tricks about hot glue that may be useful in your electronics projects and beyond.

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$10 DIY WiFi RGB LED Mood Light with ESP8266 (Step by Step)

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DOWNLOAD FREE PDF: Getting Started with ESPlorer IDE and ESP8266 In this project, I’ll show you how you can build your own mood light. You’ll use an ESP8266 to remotely control the color of your light using your smartphone or any other device that has a browser. This project is called $10 DIY WiFi RGB LED […]

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Electronics Basics – How a Potentiometer Works

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DOWNLOAD FREE PDF: Arduino eBook with 18+ Projects A potentiometer, also referred to as pot, may come in a wide variety of shapes and are used in many applications in your daily life, for example to control the audio volume of the radio. A pot is a manually adjustable variable resistor with three terminals.

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ESP8266 DS18B20 Temperature Sensor Web Server with Arduino IDE

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DOWNLOAD FREE PDF: Getting Started with ESPlorer IDE and ESP8266 In this project you’ll create a standalone web server with an ESP8266 that displays the temperature with a DS18B20 temperature sensor. Recommended Resources:

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