Hot Wire Foam Cutter – Arduino PWM

Hardware components: Arduino UNO & Genuino UNO × 1 Atmel ATTiny85 × 1 DigiSpark × 1 Plastic box for electronics × 1 Jumper wires (generic) × 1 IRF530 × 1 Resistor 1k ohm × 5 Resistor 100 ohm × 2 Single Turn Potentiometer- 10k ohms × 1 BC547 × 2 LED (generic) × 1 7812 × 1 Hot wire foam cutter × 1   STORY I did the hot wire foam cutter previously but I missed the temperature control. So that's why I ...

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Easily run your ATtiny at 16MHz, without an external clock, from the Arduino IDE

Hardware components: Atmel ATTiny85 × 1 SparkFun Tiny AVR Programmer × 1 Software apps and online services: Arduino IDE   STORY Introduction The Atmel tinyAVR MCU's (ATtiny) are a series of chips optimized for applications requiring performance and/or power efficiency in a small package. These have internal clocks that runs at 8 MHz. They can also be clocked at 16 MHz and 20MHz using an external clock. ...

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Muxing Around With The CD74HC4067 + Arduino

Have you ever found yourself running out of pins to read an array of analog sensors? Don’t worry, you’re not alone, it happens to the best of us, and there is something you can do about it. An analog / digital multiplexer like the CD74HC4067 (mux for short) can help multiply the amount of pins you have, and it is insanely easy to connect to your arduino or other microcontroller The CD74HC4067 is a 16-Channe ...

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How To Simulate Arduino With Proteus

Some Arduino boards can added to the most common and powerful simulation software for electronics hobbies which is Proteus from Labcenter Electronics. Here are steps for adding Arduino library for Proteus ISIS. Step 1: Download the following zip file DOWNLOAD Step 2: Extract the zipped file and you will find two files ( ARDUINO.IDX and ARDUINO.LIB ). Step 3: Open Proteus ISIS and go to System ---> System ...

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The BIG Arduino Piano! Use Pulse Width Modulation to Dance like Tom Hanks

This BIG piano will help exercise the mind and body! All you need is a few buttons, a speaker, and some dancing shoes. BOM: Arduino Uno CUI 8 ohm speaker x8 pushbuttons x8 10k resistors x1 220 ohm resistor Jumper wire Breadboard Foamboard or cardboard Why? I was watching the movie Big the other day and I realized I wanted to dance just like Tom Hanks. With no fortune teller or genies nearby to help make thi ...

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Remote Controlled Robot Using Arduino and T.V. Remote

This remote controlled car can be moved around using practically any kind of remote such as TV,AC etc. It makes use of the fact that the remote emits IR(infrared). This property is made use of by using an IR receiver,which is a very cheap sensor. In this instructable you will learn how to Interface IR receiver to Arduino. Interface 2 motors to Arduino. Combine the above 2 setups. Note:This remote controlled ...

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Arduino Weather Station

How cool would it be to have your own Arduino weather station right in your backyard? Sounds fun? Geeky? Having your own weather station means that you don’t need any more inaccurate results from the weather channel! You can even log the data and play around with it. Set mood lighting according to the weather? Why not? This tutorial will get you kick-started with your own DIY Weather Box to chart out local ...

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Create a Christmas Light Show with Arduino

The Christmas light show with Arduino is a project that controls a number of lights according to a song in sync with the music. It can be used to control stage lights and fog machines (that don’t have DMX) with a computer to achieve wonderful synchronization for performances on stage, which is not always possible with manual lighting control consoles. During last year’s holidays, I was watching videos of Ch ...

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Extract DNA at Home with a 3D Printed Centrifuge

Biotechnology is powerful, but only for those with the tools to experiment with and utilize it. The DIYbio movement seeks to put the tools and techniques used in well-funded laboratories around the world into the hands of ordinary people who have an interest but not the means to investigate biology. One of these tools is the centrifuge. Centrifuges come in many shapes and sizes to fit a wide variety of labo ...

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How to build an Arduino Robocar Part 1

I've been meaning to put some content on here for a while and recently I got around to getting an Uno and motor shield. Given I also have access to a 3d printer and have a shedload of microswitches, semis and other goodies knocking around - Robocar is an obvious choice! I've had a few Arduino's in the past but have always used them as an ISP to write to AVR instead of just embracing the Arduino eco-system. ...

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Hot Water Solar Boiler Project

A solar boiler is great because it gives you hot water using free-sun-energy, but what if there is not enough sun or someone already used all the hot water ? This project helps you take the right decision. It warns you when you run out of hot water and allows you to turn on the electric heating. It also let you know when you can take a bath or shower ! Goals : Alert me when the Hot Water goes below a certai ...

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Arduino stick

Description Mystick is an innovative hiking stick that promote exploration and allows you to share your hiking experiences and special findings with other users. When picked up by a user, the Mystick already has a predetermined location to which it directs using a compass and GPS to direct LED lights in the direction of the location. With the simple push of a button, the users progress to the chosen locatio ...

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