BitCake – Electronic Birthday Cake

Impress your friend with the ultimate geek's Birthday Cake! A hand-made open source electronic cake with candles you can blow out! Features 9 LED candles that you can blow on, to make them flicker and go out, like you do with a real birthday cake! Each candle blinks with random period and phase that depends on the intensity of the air flow Piezo sensor and a special air trap to detect air flow with astoundi ...

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Control a Relay with Arduino

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan. When the button is pressed the fan will turn ON and will remain in this state until the button is pressed again. Arduino Control Relay Schematic How does the circuit works When the button is pressed the Ardui ...

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Easily control your iPod using Arduino

Easily control your iPod with Arduino using serial commands. This instructable includes the schematic, the code and some extra info; everything you need to make this work. USB,battery or wall power supply powered. Step 1: What you need Parts: 5x  1K ohm resistors 2x  1M ohm resistors 1x  12K ohm resistors 1x  1.5K ohm resistors 4x  normaly opened push buttons wire protoboard (optional) 3.5mm audio jack Ardu ...

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Make an Arduino timer

Hi, so me and my pal are setting up so we can make PCB´s. We are currently making a UV exposure box (possibly another instrucable) and for this box, we needed a timer, so this is what we have done so far, and what we are going to do. This project is based on the ardweeny from solarbotics because its cheap (10 $) and its small (28 DIP) it counts down from 999 to 0 (seconds) it has a 250V 10A Relay. here is a ...

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RC Car to Robot using arduino

Converting an RC car into a robot is a quick and easy way to get started with robotics. At the very least, when you get bored of playing with your remote control car after three days, you can turn it into a robot that will do all of your evil bidding. Well, maybe not all of it, but at least a sizable amount. In this Instructable I will go over the bare minimum you need to get started. Think of it as a templ ...

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Frequency counter using arduino

Frequency counter using Arduino (upto 40KHz). Many guys here were asking for a frequency counter and at last I got enough time to make one.  This frequency counter using arduino is based on the UNO version and can count up to 40KHz. A 16×2 LCD display is used for displaying the frequency count. The circuit has minimum external components and directly counts the frequency. Any way the amplitude of the input ...

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about controlling your system with arduino

Hi all, First of all , i'm dutch and from Belgium. I'm new with and for David-laser. I tried to find a clear site and list for controlling. I've found this schematic through 'google' I was wondering, can i use Adafruit Motor/Stepper/Servo Shield for Arduino kit - v1.0 instead those easydriver v3 according the image: left is the partlist from the image and at right is what i think i needed (for ordering) 1x ...

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Easy 4×6 LED Matrix, Arduino!

In this inst'able, I will show you how to create your very own 4x6 LED matrix as well as show you how to write code for it! There is an animation creator program in step 4! Here is one ANIMATION to get you excited about the project! ***Wave Animation*** Hello everyone! I'm back with an all new Inst'able! This Inst'able is for the electronic enthusiast/hobbyists that has basic knowledge of the simple hardwar ...

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Arduino Due is finally here

Today we release the latest addition to the Arduino family: the Arduino Due This board is based on a powerful 32bit CortexM3 ARM microcontroller made programmable through the familiar Arduino API and its development environment. It’s an important step forward for Arduino as it increases the computing power available to Arduino users keeping the language as compatible as possible so that many programs will b ...

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Transistors Prelude Quantum Computers

PORTLAND, Ore. -- A new type of transistor harnesses a new effect--called the quantum spin Hall effect -- to create a topological field effect transistor (TFET) according to a Massachusetts Institute of Technology (MIT) researcher who recently moved to the newly formed Department of Materials Science and Engineering at Texas A&M University where the Texas Advanced Computer Center (TACC) confirmed the re ...

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Pulse Width Modulation : PWM using Arduino

Pulse Width Modulation or PWM is a method of Digital to Analog Conversion. It helps in delivering analog average voltage using digital pulses of variable pulse width. By controlling the on time and off time, we can generate an analog average voltage using the digital pulses. PWM has a wide range of application. It is used in DC motor speed control, Brightness control of LED lamps etc. Here in this simple ex ...

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NavSpark: Arduino Compatible with GPS GNSS Receiver

PRESS RELEASE English, Simplified Chinese (简体中文), Traditional Chinese (繁體中文)   For viewers in some region having problem seeing the above YouTube video, the contents is here: Powerpoint (简体中文), Youku Video (简体中文). NavSpark 点名时间上中文說明: http://dwz.cn/navspark_demohour   WHAT IS IT? NavSpark is a small, powerful, breadboard-friendly, 32bit development board that is Arduino compatible, with a world class GPS rec ...

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