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Thermometer using Giant Gottlieb Displays

Original, self-sufficient, and readable from a distance in all weathers

Published in issue 424, April 2012

Thermometer using Giant Gottlieb Displays

In this unique project an electromechanical display recovered from a 1960s pinball machine and some modern programming techniques together form a water-temperature indicator for an outdoor swimming pool. Once the temperature is displayed on the 4 inch reels, the consumption of my circuit drops to zero, but the temperature display remains perfectly visible. There are no batteries (dry or rechargeable), adjustments, or maintenance.

Components

Relevant websites

Free downloads

www.atmel.com
www.semap.fr
www.nimportequi.com
www.elektor.com/060224
www.pinrepair.com/gtb/
http://youtu.be/sKDO19Y0KWg http://youtu.be/sKDO19Y0KWgit
http://youtu.be/sKDO19Y0KWgit

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

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