Monitor Your Door Using Magnetic Reed Switch and Arduino
This tutorial demonstrates how to use a magnetic reed switch. I’ll do a quick overview on how it works and show a project example using an Arduino.
Arduino
25 Useful Arduino Shields That You Might Need to Get
Arduino shields are boards that will expand the functionalities of your Arduino. You just need to plug them over the top of the Arduino board. There are countless types of shields …
Why You Shouldn’t Always Use the Arduino Delay Function
The very first time you used an Arduino board, you probably did something like this: Connected an LED to your Arduino Uploaded the default blink sketch that would turn on and off your LED every …
Top 7 Gifts for Makers and Electronics Hobbyists – 2015
It’s that time of year when you usually buy or receive gifts. It’s not very hard to buy a gift for a maker. There are always new tools or boards being released every single …
Arduino Serial Plotter – New Tool
The latest release of the Arduino IDE 1.6.6 comes with a new tool called Serial Plotter. This tools gives you the ability to visualize your data in a plot that is updated in real time.
Sending Data From an Arduino to the ESP8266 via Serial
In this tutorial you’re going to learn how to send data from an Arduino to the ESP8266 via serial communication.
Complete Guide for Nokia 5110 LCD with Arduino
This post aims to be a complete guide for Nokia 5110 LCD with Arduino. I’ll explain what it does, show its specs and share an Arduino project example that you can take …
ESP8266 Remote Controlled Sockets
In this project your’re going to build a web server with an ESP8266 that can control remotely any sockets (safely).
Complete Guide for nRF24L01 – 2.4GHz RF Transceiver Module With Arduino
This post aims to be a complete guide for nRF24L01 – 2.4GHz RF Transceiver module. I’ll explain what it does, show its specs and share an Arduino project example that you …
Arduino Membrane Keypad Tutorial
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.
Arduino Announces New Brand, Genuino
The purpose of Random Nerd Tutorials is to share interesting electronics projects, tutorials and reviews with open-source hardware. This means that I usually don’t write blog posts about news, but it’s happening important changes to the …
What Do You Want to Know About Home Automation?
Rui here, I would say about 90% emails I receive every week are related to Home Automation. I often get questions like:
Modifying Cheap PIR Motion Sensor to Work at 3.3V
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.
Arduino with PIR Motion Sensor
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.