A Self-Contained Data Logging Anemometer

I love collecting and analyzing data.  I also love building electronic gadgets.  A year ago when I discovered the Arduino products, I immediately thought, "I'd like to collect environmental data."  It was a windy day in Portland, OR, so I decided to capture wind data.  I looked at some of the instructables for anemometers and found them quite useful, but needed to make some engineering changes. First, I wan ...

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Raspberry Pi Compute module

As regular readers will know, it’s been a busy time here at Pi Towers recently with the launch of our new website, free educational materials and £1m education fund. On the engineering side of things we’ve also been very busy over the past year, and not to be outdone by the education team, we are ready to take the wraps off something special, this time aimed at business and industrial users. From humble beg ...

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Calibrating sensor input using Arduino

This example demonstrates one techinque for calibrating sensor input. The Arduino takes sensor readings for five seconds during the startup, and tracks the highest and lowest values it gets. These sensor readings during the first five seconds of the sketch execution define the minimum and maximum of expected values for the readings taken during the loop. Circuit Analog sensor (e.g. potentiometer, light sens ...

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Arduino 4wd robot with ping sensor “J-Bot”

Experience Level: Intermediate (requires soldering) Time Required: 3-5 hours depending on experience J-BOT Kit  Jameco P/N 2140285 Someone mentioned that Jameco needed a robotic mascot. I have always been a tinkerer, especially with radio-controlled electronics and so I volunteered for the chance to design and create the J-Bot. While this was my first autonomous robot build, I'm confident it won't be my la ...

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*duino Keg Temp Monitor, or the Quest for the Perfect Pint

I was looking for a project that combined my three favorite things - working in my shop, building cool stuff for my bar and of course, drinking beer. After a couple of weeks in the old country drinking "the Guinness", I decided my I'd put a keg of "Moothers' milk" in my kegerator and prolong my vacation until the next visit...which led me down this path. Despite conventional wisdom, the Guinness is usually ...

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Choosing right programmer for AVR microcontrollers

Once you start building something with microcontrollers, one thing you need to take in to account is programming adapter. This is a device which allows to upload compiled code in to chip. I don’t know if this is still a fun to build your own DIY programming adapter which is not guaranteed to support all chips nor it will be safe and reliable. AVR microcontroller niche is one of most interesting when talking ...

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Light Sensing LEDs using Arduino

I was recently reserching on LEDs and I stumbled upon this page as I read it I found that LEDs are not just used to emit light but the also have the ability to sense light.At first using LED as light sensor sounds complicated but it quiet quickly becomes clear. This is a fun project in which we will be experimenting with LEDs requires minimal parts. This instructable will explain you how to use a LED as sen ...

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Physical Pixel using Arduino

This example example uses the Arduino board to receive data from the computer. The Arduino boards turns on an LED when it receives the character 'H', and turns off the LED when it receives the character 'L'. The data can be sent from the Arduino serial monitor, or another program like Processing (see code below), Flash (via a serial-net proxy), PD, or Max/MSP. Software Required Processing or Max/MSP version ...

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Arduino ProtoShield from Household Items

I love my Arduino. It got me into, and hooked on, microcontroller programming. I also like the expandability that shields provide. My Arduino can be a GPS Locator one minute, and be connected to the web the next. There's also a kit that lets you make your own shields. That last option always bothered me. If you're making a bunch of different shields, the cost of ProtoShields starts to add up. Wouldn't it ma ...

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SensoDuino: Turn Your Android Phone into a Wireless Sensors Hub for Arduino

UPDATES Nov 23, 2013: SensoDuino 0.160 gets a face left. Nov 19. 2031: OPINION: The Amazing Synergy Between Arduino & Android. Nov 19, 2013: SensoDuino 0.159 is out. Android phone date (y,m,d) and time (h,m,s) are supported as sensors. Support for Android KitKat (4.4/API 19).   INTRODUCTION Think of SensoDuino as having over a dozen virtual shields for your Arduino each providing a function or feat ...

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Accelerometer & Gyro Tutorial

Introduction This guide is intended to everyone interested in in using Accelerometers and Gyroscopes as well as combination IMU devices (Inertial Measurement Unit) in their electronics projects We'll cover: What does an accelerometer measure? What does a gyroscope (aka gyro) measure? How to convert analog-to-digital (ADC) readings that you get from these sensor to physical units (those would be g for accele ...

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Sleep n’ Tweet using an Arduino

Now I am lucky enough to work at the greatest company in the world as a University of Waterloo, co-op student. It might not even be a company you’ve heard of yet. They’re named Upverter and we are trying to change the way people design, build, share and collaborate on electronics. My job (also the coolest job in the world) is to find interesting problems that either have been or could be solved with electro ...

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