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  • 75 x Cool Arduino Projects

    Browse through a total of 75 projects for Arduino. Have fun building these cool projects wih Arduino that are tested and functional. Use the contact page if you want to send us your work and publish it on the website.

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    Arduino Soil Moisture Sensor Module If you are designing your own intelligent “Graden Computer” with an optional digital plant moisture sensor/water pump controller that lights an LED to alert the user when it is time to water a potted plant, and/or turn on a water pump to quench the thirst, here is an Arduino Primer for you. No doubt, an Arduino can convert...
    Light to Arduino Experiment Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, this is the right time to hook up one with our Arduino to build a light-based project – a simple street light controller for...
    Rotary Encoder & Arduino I am not sure, but it was in year 1999, a non-stop (360 degree rotation) potentiometer found in a stereo music system confused me a lot. At that time, I failed to keyed out the strange potentiometer manufactured by ALPS. Later, I learned that it’s a Rotary Encoder (thanks to internet), and bought one such component from...
    Should I Upgrade to the latest Arduino IDE? If you have been working with Arduino you may notice a small popup that tells you about a new update for Arduino IDE. You may wonder if there are problems with getting the latest software because as you know its old systems may not work with the new software. Recently an update came out for Arduino IDE 1.6.1. This version has...
    Digital Potentiometer Arduino Shield One step ahead: in this article we will review the project for an Arduino shield compatible with Arduino Duemilanove, Diecimila and Arduino UNO R1 and R2. This shield is based on AD5206 digital potentiometer. We can find some very basic applications of the component reviewed in many blogs and sites, including the arduino.cc...
    ICSP custom cables and Arduino As soon as we start getting familiar with the basics of Arduino, we start noticing some interesting components that are not commonly used on the Arduino. One of these things are the ICSP headers. They are those six pins that stick out, organized in a two-row three-column orientation. As Arduino enthusiasts become familiar with...
    Arduino RFID Reader RC522 + Access Control System I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used to open a door lock and if you need a louder alarm then you can replace the small buzzer with a high power siren. I will not talk...
    Arduino DHT22 (AM2302) Tutorial + Library You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to the serial monitor or to display it on an LCD. In my case I chose the serial monitor version because is faster and cheaper, but you may want to look at other articles, including this one, if you want to use...
    Multiple Shift-out Registers on Arduino – part 2 In this second article we will see a practical application of the daisy-chained shift registers. We want to use four 7-Segments LEDs controlled by the Arduino board. As you can imagine, that is impossible without a series of shift-registers as we need 32 output pins. As we can do in many other applications of the daisy-chained...
    Multiple Shift-out Registers on Arduino – part 1 Shift-out: again? Yes, shift-out registers again, now daisy-chained! But let me write down a short foreword. As probably occurs for most of the subjects, especially those related to the Arduino board, shift registers have already been discussed several times on the Internet; Blogs, Sites, Tutorials, Instructables, the same...