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Arduino and HC-05 Bluetooth Module Tutorial | Android Smartphone & Laptop Control

In this Arduino Tutorial we will learn how use the HC-05 Bluetooth module for controlling Arduino via Bluetooth communication. For this tutorial I made two example, controlling the Arduino using a smartphone and controlling the Arduino using a laptop or a PC. In order not to overload this tutorial, in my next tutorial we will learn how we can configure the HC-05 Bluetooth module and make a Bluetooth communication between two separate Arduino Boards as master and slave devices.  

Arduino Color Sorter Project

In this article I will show you how you can make an Arduino Color Sorter. All we need for this project is one color sensor and two hobbyist servo motors, which makes this project quite simple but yet very fun to build it.  

Arduino SD Card and Data Logging to Excel Tutorial

In this Arduino Tutorial we will learn how to use an SD Card module with the Arduino Board. Also in combination with the DS3231 Real Time Clock module we will make a data logging example where we will store the data of a temperature sensor to the SD Card and import it into Excel to make a chart out of it.  

8×8 LED Matrix MAX7219 Tutorial with Scrolling Text & Android Control via Bluetooth

In this Arduino tutorial we will learn how to control 8×8 LED Matrix using the MAX7219 driver and the Arduino board. We will make three examples, with the first one we will explain the basic working principle of the MAX7219 , in the second example we will see how the scrolling text on the 8×8 LED Matrix works, and in the third example we will control them via Bluetooth and a custom build Android application.  

How RFID Works and How To Make an Arduino based RFID Door Lock

In this tutorial we will learn what RFID is, how it works and how to make an Arduino based RFID door lock. RFID stands for Radio Frequency IDentification and it’s a non-contact technology that’s broadly used in many industries for tasks such as personnel tracking, access control, supply chain management, books tracking in libraries, tollgate systems and so on.

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