Home › Magazines › 2008 › July/August › Post-box Monitor

Post-box Monitor

Published in issue 379, July/August 2008

In its basic version, the circuit in question remembers if the postman has been (it doesn’t actually detect the postman, but any kind of post slipped into the post-box by lifting the flap protecting the opening) and can indicate this ‘event’ visually (an LED) or audibly (buzzer or vocal alarm based on the ISD25xx).

Relevant websites

http://ludvol.free.fr/articles.php?lng=fr&pg=211
http://lespace-electronique.blogspot.com

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

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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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