Random Nerd Tutorials
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Random Nerd Tutorials helps makers, hobbyists and engineers build electronics projects. We make projects with: Arduino, ESP8266, ESP32, Raspberry Pi, Home Automation and Internet of Things. Enter your email address below to get started now with your next project!

Arduino Step-by-step Projects – Build 25 Projects

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Arduino Step-by-step Projects Build 25 Projects My step-by-step course to get you building cool Arduino projects, even with no prior experience!

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Build a Home Automation System for $100

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Build a Home Automation System for $100 Learn Raspberry Pi, ESP8266, Arduino and Node-RED. This is a premium step-by-step course to get you building real world home automation system using open-source hardware and software.

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Download Home Automation Using ESP8266 (2nd Edition)

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Home Automation Using ESP8266 (2nd Edition) is my step-by-step guide designed to help you get started with this amazing $4 WiFi module called ESP8266. If you’re new to the world of ESP8266, this course is perfect for you! If you already used the ESP8266 before, I’m sure you’ll also learn something new. This course contains the […]

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How to Use a Multimeter – Beginner’s Guide

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In this post we’re going to show you how to use a multimeter. This post is mostly addressed for beginners who are starting out in electronics and have no idea how to use a multimeter and how it can be useful. We’ll explore the most common features on a multimeter and how to measure current, […]

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Control a 12V Lamp via SMS with Arduino

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In this tutorial we’re going to show you how you can control a 12V lamp via SMS using an Arduino UNO, a relay module, and the SIM900 GSM shield.

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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.

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Maker Advisor is LIVE – Best Tools and Gear For Makers

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Hi there! A few months ago, I’ve come up with the idea of creating a separate website from the RNT blog specially dedicated to reviews and daily deals on tools and gear that makers like. We’ve created a website called MakerAdvisor.com and it’s live now! Maker Advisor aims to to provide list of the best tools and […]

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ESP8266 Weather Forecaster

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This project was written by Emmanuel Odunlade and edited by Rui Santos.   In this post you’re going to build a weather forecaster with an ESP8266. I hate being out on a rainy day without an umbrella and I’m pretty sure it’s the same for everyone else. Often, the weather widget on our smartphones displays the […]

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Guide to 1.8 TFT Display with Arduino

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In this guide we’re going to show you how you can use the 1.8 TFT display with the Arduino.  You’ll learn how to wire the display, write text, draw shapes and display images on the screen.

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Guide to SIM900 GSM GPRS Shield with Arduino

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This post is a complete guide to the SIM900 GSM GPRS Shield with the Arduino. Learn how to send and receive SMS, make and receive phone calls with Arduino.

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Guide to SD Card Module with Arduino

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In this post we’re going to show you how to use an SD card module with Arduino to read and write files on an SD card.

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Arduino Temperature Data Logger with SD Card Module

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This post shows you how to create a temperature Arduino data logger. We’ll use the DHT11 to measure temperature, the real time clock (RTC) module to take time stamps and the SD card module to save the data on the SD card.

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Creality 3D CR – 10 3D Printer Review – Best 3D Printer under $400

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In this post I’m going to unbox and assemble the Creality 3D CR – 10 3D printer which costs approximately $400 with shipping included.

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Arduino EEPROM Explained – Remember Last LED State

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In this post we’re going to explain what is the Arduino EEPROM and what it is useful for. We’re also going to show you how to write and read from the EEPROM and build a project example to put the concepts learned into practice.

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Decoding and Encoding JSON with Arduino or ESP8266

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In this blog post you’re going to learn how to decode (parse a JSON string) and encode (generate a JSON string) with the ArduinoJson library using the Arduino with the Ethernet shield. This guide also works with the ESP8266 and ESP32 Wi-Fi modules with small changes.

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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.

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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.

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