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Time for Science [daily updated]

Proximity sensor using PIR sensor+theory
posted February 9 2011 11:37.56 by Giorgos Lazaridis




Jeri (with an I) is back with a new amazing video. This time, she was asked to design a circuit to trigger "artistic" events, when someone approaches. The device had to be...

[Link: jeriellsworth]
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Tags: electronic project   diy   physics   pir   sensors   proximity   theory/tutorial   

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IR transceiver measures heart beats from fingertip
posted February 6 2011 11:58.14 by Giorgos Lazaridis




Rajendra tipped us of his latest project, which is really interesting in terms of DIY and science. He made a heart beat meter, which counts your heart beats from the from the...

[Link: embedded-lab]
[ Read more... ]Comments [2]
Tags: electronic project   physics   diy   microcontroller   pic   sensors   health & nature   biotechnology   

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Demo of the FreeFlight IMU
posted February 6 2011 11:43.45 by Giorgos Lazaridis




Jussi Hermansen informed us of a new video that he uploaded. This is a demonstration of the FreeFlight IMU V1.1, an open source i2c 9DOF with Pressure sensor. On-board is an ITG3200...

[Link: 420RcPilot]
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Tags: electronic project   robot   diy   rc servo   microcontroller   pic   remote control (RC)   wireless   accelerometer   commercial   sensors   gyro   pressure   magnetometer   

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Blurry pictures no more - Arduino helps to clears them
posted January 22 2011 12:58.28 by Giorgos Lazaridis




I don't know about you, but i ain’t got the steady hand for taking pictures. So this hack could be a good solution for me. These folks did some nice work...

[Via: hackaday]    [Link: microsoft]
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Tags: crazy hack   electronic project   physics   microcontroller   accelerometer   arduino   sensors   

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Self-Balancing Robotic Pogo Stick
posted January 19 2011 0:52.02 by Giorgos Lazaridis




In continue to the inverted-pendulum balancing mechanisms, here is a pogo-stick, which jumps and balances alone, called "iHop". It uses two independently actuated arms in order to...

[Via: make]    [Link: jimboscotty]
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Tags: electronic project   robot   physics   research   mechanical   accelerometer   inventions   sensors   experiments   autonomous   

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This DIY pressure sensor will cost you less than 1$
posted January 9 2011 3:21.53 by Giorgos Lazaridis




I love prototype ideas that use nothing to make something! This is the complete opposite of today's state of things, that is required by the people to use more in order to get less...

[Link: todayifoundout]
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Tags: crazy hack   physics   chemistry   diy   inventions   sensors   recycling   

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Metal detecctor and collector robot
posted December 20 2010 23:56.22 by Giorgos Lazaridis




This bot is a creation of youtube user Prometheus27111992. It carries an inductive metal detector with which it sweeps the area in front of it. If it detects something...

[Via: hacked gadgets]    [Link: Prometheus27111992]
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Tags: electronic project   robot   microcontroller   pic   sensors   ultrasonic   magnetism   autonomous   

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Alcohol breath tester with Arduino
posted December 19 2010 7:25.53 by Giorgos Lazaridis




Daniel Andrade probably got some tickets for drinking and driving, so he decided to make a breath analyzer to check for alcohol. The basic component of this project is the alcohol...

[Link: daniel andrade]
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Tags: electronic project   chemistry   microcontroller   auto/moto   arduino   sensors   health & nature   

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Bluetooth thermometer
posted December 13 2010 11:40.46 by Giorgos Lazaridis




Jamie Maloway wanted to know the temperature outside his house, but it was too chill to open the door and place a thermometer, and too boring to get one for this purpose. So he...

[Link: Jamie Maloway]
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Tags: electronic project   diy   microcontroller   pic   wireless   bluetooth   sensors   

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