Random Nerd Tutorials
Shares

Category Archives for Tutorials

Security Access using MFRC522 RFID Reader with Arduino

Shares

This blog post shows a simple example on how to use the MFRC522 RFID reader. I’ll do a quick overview of the specifications and demonstrate a project example using an Arduino.

Continue Reading

Monitor Your Door Using Magnetic Reed Switch and Arduino

Shares

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.

Continue Reading

Why You Shouldn’t Always Use the Arduino Delay Function

Shares

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 second

Continue Reading

Arduino Serial Plotter – New Tool

Shares

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.

Continue Reading

Sending Data From an Arduino to the ESP8266 via Serial

Shares

In this tutorial you’re going to learn how to send data from an Arduino to the ESP8266 via serial communication.

Continue Reading

Complete Guide for Nokia 5110 LCD with Arduino

Shares

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 and apply to your own projects.

Continue Reading

Complete Guide for nRF24L01 – 2.4GHz RF Transceiver Module With Arduino

Shares

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 can take and apply to your own projects.

Continue Reading

Arduino Membrane Keypad Tutorial

Shares

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.

Continue Reading

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

Shares

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.

Continue Reading

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

Shares

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.

Continue Reading

Modifying Cheap PIR Motion Sensor to Work at 3.3V

Shares

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.

Continue Reading

Getting Started with ESP8266 WiFi Transceiver (Review)

Shares

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

Continue Reading

Arduino with PIR Motion Sensor

Shares

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.

Continue Reading

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

Shares

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

Continue Reading