Random Nerd Tutorials
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Category Archives for Tutorials

Arduino Membrane Keypad Tutorial

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A keypad allows you to interact with a microcontroller. You can salvage these keypads from old telephones or you can purchase them from most electronics store for less than $2.

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Complete Guide for RF 433MHz Transmitter/Receiver Module With Arduino

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This post aims to be a complete guide for the popular RF 433MHz Transmitter/Receiver module. I’ll explain how it works, show some features and share an Arduino project example that you can take and apply to your own projects.

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Complete Guide for DHT11/DHT22 Humidity and Temperature Sensor With Arduino

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This post aims to be a complete guide for the popular DHT11/DHT22. I’ll explain how it works, show some features and share an Arduino Project example that you can take and apply to your own projects.

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Modifying Cheap PIR Motion Sensor to Work at 3.3V

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This PIR motion sensor is a $2 sensor that is used to detect movement from humans or pets. You can read my previous tutorial on how to use this sensor with an Arduino.

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Getting Started with ESP8266 WiFi Transceiver (Review)

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This is a getting started guide for the ESP8266 WiFi Transceiver module. Make sure you watch the video below.

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Arduino with PIR Motion Sensor

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In this project you’re going to create a simple circuit with an Arduino and PIR motion sensor that can detect movement. An LED will light up when movement is detected.

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Arduino – Display the LED Brightness on a LCD 16×2

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In this project we’re going to display the LED brightness on a LCD 16×2 with a progress bar.

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Control your Arduino with Voice Commands [Android App]

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Hi, In this project we’re going to control an Arduino with Voice commands with a Simple android App that I’ve create with MIT App Inventor.

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Arduino – Control 220V Lamps from Anywhere in the World

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Hi, If you’re following my email/facebook updates you know I promised more tutorials related to Home Automation. In this tutorial we’re going to control 2 lamps with an Arduino and an Ethernet Shield. If you have an Internet connection you can control those lamps from anywhere in the world.

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Android App that Sends a Message to Your Arduino

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In this project I’m going to show an Android app that sends a message to your Arduino via bluetooth. And that message will be displayed in a Doted Matrix display.

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Home Automation Server – Project Example Tutorial

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In order to complete this tutorial you need to create your free account at HomeAutomationServer.com.

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Home Automation Server is LIVE!

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HomeAutomationServer.com is now live! In one sentence: “We provide a free platform that allow you to control your home from anywhere in the world.“

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Teensy/Arduino – Memory Game

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This project is all about creating a simple game to test your memory. I’ll be using a Teensy 3.0 board. If you want to know more about this board please click here to read a Getting Started Guide I’ve created a few days ago. This project is also 100% compatible with the Arduino.

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Arduino – Datalogger with Temperature Sensor and Photoresistor

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In this project I’m going to create a simple Datalogger with my Arduino and an Ethernet shield.

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