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7400 competition entry: Safer alarm

Posted on Thursday, October 20th, 2011 in 7400 contest by DP

Spanner888 entered his Safer Alarm into the Open 7400 Logic Competition:

This system provides a simple, effective and practical enhancement to existing alarm systems to tell you if your alarm has been triggered, tampered with, or lost power.

Via the contact form.

This entry was posted on Thursday, October 20th, 2011 at 8:00 pm and is filed under 7400 contest. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

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