Category Archives: Computer

LED DIY – How to Make an Animated LED Brick Wall!

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Here’s just a simply awesome LED DIY project you can do for your home and impress your friends, learn how to make an animated LED brick wall! This system uses Arduino, I2C protocol, and PC application to control it. This would be wonderful if you could control it with your Android phone.

The total of 121 BlinkM’s are divided into 2 blocks: 1 block of 6 horizontal ‘strands’, and 1 block of 5 horizontal ‘str

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Android Arduino!

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The big news this week from Google’s IO Conference in San Francisco is that Google will be pushing for the development of Android Arduino, inviting all Arduino developers all over the world to utilize the power of Android with Arduino.

I think this is going to be great and I will personally be making some Android Arduino hacks soon so watch out for that.

You can read more about the Android Open Accessory Kit.

The Android 3.1 platform (also backported to Android 2.3.4) int

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ZeroTouch Multi-Touch, an Invisible Multi-Touch Interface!

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Here’s an interesting multi-touch idea that might be very useful and implemented across all multi-touch devices in the near future.  The ZeroTouch as its name says, uses “zero” physical touch to the screen and can implement the same multi-touch gestures as on a regular multi-touch screens “invisibly”.

The frame is lined with 256 IR sensors, which are connected to a computer. When ZeroTouch is mounted over a traditional computer screen it turns the display into a multitouch surface. In a demonstration at CHI, Moeller played a computer game using

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How to Build a DIY Energy Meter for Less Than $20!

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For those of you who want an inexpensive DIY energy meter that would detect how much electricity you use, you might want to take a look at this hack where the author uses a simple circuit to detect infrared pulses from the electric meter whenever there’s 1 watt of electricity used.

 

via hackaday

 

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How to Build a Portable DIY Face Detection System for under $30!

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For those of you who want to build a portable DIY face detection system (without the use of full-sized computers/laptops/netbooks), engineering students at Cornell university have come up with a simple solution using an Atmel ATmega644 8-bit microcontroller, a C3088 camera module with an OmniVision OV6620 CMOS image sensor, Atmel’s AT45DB321D Serial Dataflash, a Varitronix MDLS16264 LCD module for output, a 9-volt battery, and a small wooden s

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DIY Geiger Counter Kit!

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We’ve seen a guy who made a DIY Geiger Counter before, for those of you who want to build your own to detect radiation (yes, that what Geiger Counter does, detect radiation, you can read all about it on WikiPedia), you can get this DIY Geiger Counter Kit and build it easily, just some soldering and assemb

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DIY Daft Punk Helmet!

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Check out Harrison Krix who spent the last 17 months building this fully-functional DIY Daft Punk Helmet.  This is the most awesome DIY project I’ve probably seen for the last 17 months with every gory detail mastered to perfection. This would be the ultimate helmet to wear to a rave concert.

Here’s a time-lapse video of the DIY Daft Punk Helmet in the making:

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How to Build a Salt-Water Powered LED Light!

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You probably well know of the focus that the world has been giving to alternative energy.  And I am sure schools are now pushing more ways to power our electronics than ever.

Which brings us to this awesome DIY that shows you how to build a salt-water powered LED light. You can also substitute lime juice for the salt-water.

Also see:

Beer Powered Batteries!

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How to Make a DIY Amplifier for Less Than $20!

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Dino Segovis from HackAWeek.com, has put an excellent tutorial on how to build your own DIY Amplifier for less than $20 with LM386 chip and parts bought from RadioShack.

As you can see in the video below, this 1/2 watt DIY amplifier is pretty powerful little amp, all encased in an altoids tin. This small amp even has a guitar jack and ability to distort sounds, pretty darn impressive for a small circuit.

I think this is a great, simple circuit for those of you who want to build your amps. In fact, I will have

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How to Make DIY Arduino Ethernet CandyGrabber!

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I’ve spent a lot of time at my previous company Comfile building ethernet-enabled devices, which is one of my favorite projects of all time (you can see some of my previous projects after this article at the bottom).

Anyways, Odvratno Zgodan has made a really cool device, it’s an ethernet-enabled DIY Arduino CandyGrabber, which works off Adobe AIR, PHP socket, Red5 server to allow anyone to control his CandyGrabber of the internet. You can try it out yourself here at pimedius.com.

This co

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