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Arduino Tutorial

Arduino tutorials

A collection of Arduino tutorial articles, from newest to oldest. These tutorials are compiled from personal to paid projects and university lectures. See Arduino Tutorials page if you want to learn from basics to advanced.

The Arduino simplifies microcontroller programming through easy to use code, software and hardware. The best way to learn Arduino is by building projects so start by trying these Arduino tutorials and improve them!

PIR Motion Sensor

HC-SR501 PIR motion sensor

You can in fact build your own motion sensor without spending too much. Motion sensors can be setup using ultrasonic transceivers, video cameras or microwave signals. In this tutorial, I’ll show you how to use the PIR motion sensor with a microcontroller. PIR is short for passive infrared which describes …

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Using the MicroSD Breakout Board with Arduino

Microcontrollers usually don’t have enough memory to store data like images, database or even large text files. EEPROMs are tasked for this, but the portability of a memory card gives it a big advantage. This tutorial shows how easy to use a microSD card with the Arduino microcontroller.

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How to Use the MQ-3 Alcohol Sensor

The MQ-3 alcohol sensor is useful for projects that tests levels of alcohol, benzine, hexane or LPG in the air but it is most popularly used as a breathalyzer (breath analyzer) for someone who drank beer, wine or other liquor. Learn how to use this sensor in this tutorial.

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How to Use L298N Motor Driver

L298N Motor Controller Tutorial

You can drive a LED on or off using a microcontroller like Arduino or PIC. There’s no problem there because the 20 mA or so current from the pins is enough. Obviously, you can’t drive loads that require much more current like a motor. This is where the L298N motor …

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Arduino GPRS Tutorial

Arduino GPRS

Connecting your Arduino project to the Internet is easy though WiFi and modules like the ESP8266 or a WiFi shield. Another option is to ditch wireless and use an Ethernet shield. But what if there’s no WiFi or network cable available? The solution would be to connect to the Internet …

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