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Home › Magazines › 2009 › October › Car Tilt Alarm

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Car Tilt Alarm

Protect your alloy wheels

Published in issue 395, October 2009

Car Tilt Alarm
The car alarm described here detects changes in the tilt angle of the vehicle in which the alarm is installed. It is set off when the change in the angle exceeds a threshold (adjustable) for too long (5 seconds). Short of cutting the power to it, the only way to stop the alarm is to put the car back to its initial angle. The change in angle to which the alarm is sensitive can be adjusted from 0 to 25°.

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Components

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Technical Specifications
- trigger angle: 0–25°
- operating time adjustable 0–165 s;
- two activation modes: intermittent @ 0.5 Hz or continuous
- built-in installation aid.

Click below to download a PDF copy of this article from Elektor magazine.

 

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Magazine October 2009
UK394 (USD 7.50)
 

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Programmed controller PIC16F877-20/P
080064-41 (USD 32.50)
PCB, bare
080064-1
 

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Software

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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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