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Humana Health by Design Contest
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Enter by May 23, 2010
Current Entries: 87
Upcoming Contests
USB Contest
Pinewood derby car with working headlights
Instructable posted by
shaggs31
For the most resent pinewood derby I thought it would be cool to put
LEDs for head lights and break lights. It turned out to be
really cool. Hears how I did it. (Disclaimer) This
instructable does not go into detail on how to win the race. I
did not even worry about winning. I just wan... read more »Build a better RGB LED controller.
Instructable posted by
bigclive
This RGB LED controller kit is somewhat different to other offerings on
the 'net. Whereas most others use a single button to step through short
pre-programmed loops this controller is intelligent enough to understand
different colour palletes and generate colours in real time using a huge
8 million... read more »Build a color changing, battery operated LED night light
Instructable posted by
Jenn Nelson
A small but mighty battery operated night light. Select from
different solid color modes, or disco flashy mode! Would also make
an excellent bike light. Built from 7 color LEDs and a dot-it.
I found these LEDs while buying components for another project.
I had an dead dot-it lying around, and... read more »Origami Star LED Throwie
Instructable posted by
MastaAzumarek
Well... I've looked through instructables here and haven't found this
done so... yea... hehe... Below is the final product Two projects
combined Ok... this whole project really is two projects put together...
1. The original LED Throwies tutorial: LED Throwies
2. How to make an origami star: ... read more »LED Replacement Fluorescent Tube
Instructable posted by
computerwiz_222
In this instructable, I will try and outline all of the steps required
to create an LED fluorescent replacement tube. This instructable is
provided more as a guideline, you can change almost anything in here to
suit your needs. The lamp I created contained 87 LEDs, and this guide
provides instructio... read more »The "Reverse Joule Thief" Battery Charger
Instructable posted by
qs
.
Here is a totally different take on the Joule Thief (JT) circuit
commonly found in garden lights. Instead of charging a 1.2v battery
directly from the solar cell and converting the power to run a 3-volt
LED, we'll be using the JT to convert the output from the solar cell and
charging a Lithium b... read more »Make a pair of Audiostrobe-compatible LED glasses for use with brainwave entrainment software
Instructable posted by
chantling
Audiostrobe glasses are used in conjunction with light and sound
machines, as well as some brainwave entrainment software. The glasses
have LEDs built in which pulse in synchronization with sound, usually
either binaural beats or isochronic tones. The light and sound work
together to entrain
the... read more »Circuits for using High Power LED's
Instructable posted by
dan
High-power LED's: the future of lighting!
but... how do you use them? where do you get them?
1-watt and 3-watt Power LED's are now widely available in the $3 to $5
range, so i've been working on a bunch of projects lately that use them.
in the process it was bugging me that the only options an... read more »danLED Cube 4x4x4
Instructable posted by
chr
Amazing 3 dimensional LED display.
64 LEDs makes up this 4 by 4 by 4 cube, controlled by an Atmel Atmega16 microcontroller.
Each LED can be addressed individually in software, enabling it to
display amazing 3d animations!
What you need First of all, you need quite a bit o... read more »RGB LED Brooch
Instructable posted by
goldi216
RGB LED electronic brooch. Very simple to make and fun to play with.
The project combined of basic shapes and electronics and mainly
created to be an easy tutorial for a soft circuit that can be modified
and expended.
Materials and tools Materials
1. Non-conductive fabric: can be any sor... read more »Billie Jean LED light-up disco shoes
Instructable posted by
deadinsect
These are shoes with LED floor tiles attached to the bottom of them and
a pressure switch so that they light up when you put your feet down,
just like Michael Jackson's Billie Jean video. They are powered by a
battery pack which you put in your pocket. This project was built in a
bit of a rush for a... read more »DIY LED car headlights!
Instructable posted by
Nachoman
This INSTRUCTABLE will go through the steps I am going through in the
making of homemade fog lights for my car, a Hyundai Atos (sold as a
Dodge Atos here in Mexico).
At first phase completion, my first 78 LEDs are dissipating 5.8 watts
while my resistors only dissipate 0.85 watts, and the array is ... read more »
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