Fun DIY project – piano using Arduino

Here is yet another application you can put your Arduino to use. This will be an interesting DIY to make even though you are not very much into music. Though you cannot expect music out of this but still it will be a fun project worth giving a shot, trust me. This piano using Arduino was made out of switch buttons (used as keys), buzzer as sounder generate tones with different frequency. Read More: Fun DIY ...

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DIY USB Line Power Meter Stick

Another DIY project designed with Solo-Lab.com’s SoloPCB Designer tool is ready to be shared with Electro-Labs community. This is an USB stick which measures the supply voltage of the USB port and current drawn by the device connected to the port over the stick. Then it calculates the power consumption of the device and displays the whole information with the help of the small OLED display on the board. The ...

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DIY Digital Compass (for your car)

I'm astounded that some cars don't have a digital compass always visible. You either have to launch the navigation app each time which may even disappear when you adjust the radio. In this project, you'll create a digital compass that can be powered by by the cigarette lighter or another source (batteries make it handheld). You could buy one, but where's the fun in that? You'll use an awesome OLED screen (w ...

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DIY Android Home Automation With Free Smartphone Application

Ever wanted to make your home automated? Wanted to control the lights, fan, and other appliances from your smartphone? Or wanted a tutorial about connected devices and getting started with them? Our DIY Android Home Automation project will show you how to make your home automated using an Android smartphone. This requires no experience with Android programming at all, and a free application is included for ...

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DIY Music Keyboard: How to Make Sounds With Arduino

Making cool things with an Arduino is something, but making musical instruments out of an Arduino is something else! So behold, here comes the Musical-duino, an Arduino keyboard. To see what this does, check out the demo video at the bottom of this page. They say that “You can become anyone”, so why not become Beethoven or Mozart? The only limit is your imagination. The DIY Arduino keyboard or the Musical-d ...

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How to Make a DIY ChalKaat CNC/Laser Cutter

CNC/Laser cutters are invariable tools of modern day fabrication and there are a lot of open source DIY laser cutter projects that you can make. They are now being widely used in industrial applications at a more personal and mass consumer level. But the cutters today have an indirect interface involving external computers. I can explain this better with an example. Imagine you want to cut a leather bracele ...

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DIY Arduino Tutorial: How to Automate Your Curtains

This Arduino Curtain Automation project will let you automate your curtain blinds using just an Arduino and a stepper motor. I just moved to America pursuing my higher studies. Because my dorm is very dark, I wanted to brighten up my room when I wanted to. Since I would be there for only for a month, I couldn’t make anything too complicated. So I decided to make myself this DIY Arduino Curtain Automation sy ...

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Arduino Servo Catapult: DIY Catapult using Arduino

Use an Arduino and a servo to shoot food to your cat! (Also works with other animals). Check out the video below to see how this Arduino Servo Catapult works. While maybe not the most practical application, this project will teach you the basics of servo motors and analog inputs, which can be implemented into more practical projects, like these: Give Your Camera Motion Tracking With Arduino Make a Line Foll ...

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DIY Soil Testing with Arduino and FC-28 Moisture Sensor

In this article, we are going to interface an FC-28 Soil moisture sensor with an Arduino. This sensor measures the volumetric content of water in soil and gives us the moisture level. The sensor gives us both analog and digital output, so it can be used in both analog and digital mode. We are going to connect it in both modes in this article. How Does it Work? The soil moisture sensor consists of two probes ...

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DIY Double Sided 60W LED UV Radiation Unit With Vacuum Pump

This is a description of how I designed and built my UV exposure box. After experimenting a bit with dry-laminate photo-resist and liquid UV hardened solder mask I decided to stop trying to improve my toner transfer technique and rather build a proper UV radiation unit for making printed circuit boards. I wanted it to be powerful and compact so I decided to use UV LEDs as the UV source. The preferred wavele ...

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DIY Temperature & Humidity & Smoke Detector Alarm System

The working voltage of this system is DC5V. It can measure the current temperature, humidity and smoke. It can display real-time data by the 1602 LCD and can realize the sound and light alarm when in the dangerous temperature and humidity. It is a simply and easily to operate monitoring alarm system about temperature humidity and smoke. Functions 1. When connected to the power supply, after the initializati ...

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Modular DIY Geiger–Müller counter

The Geiger–Müller counter is a relatively simple tool to measure ionizing radiation. To increase sensitivity, construction presented here contains three (instead of one as usually) soviet STS-5 lamps. This is important for measurements of natural sources of (low) radiation like soil, rocks (an article about my trip with Geiger–Müller counter on Śnieżka mountain). When high voltage (typically 380-420V) is ap ...

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