Keep Out! Door Alarm: Build Your Own Key-Card Security System!
Description:
The package contains everything you need to build a computerized talking door alarm.-22-page book filled with fascinating facts about security systems-2 key cards with stickers-Circuit board with components you connect yourself-just twist wires-CaseBurglars beware! The alarm voice declares "Keep Out!" before the siren sounds.Swipe the special key to turn your alarm on. Swipe the key again to turn it off!
Best prices to buy, sell, or rent ISBN 9780439668354
Frequently Asked Questions about Keep Out! Door Alarm: Build Your Own Key-Card Security System!
The price for the book starts from $29.22 on Amazon and is available from 4 sellers at the moment.
If you’re interested in selling back the Keep Out! Door Alarm: Build Your Own Key-Card Security System! book, you can always look up BookScouter for the best deal. BookScouter checks 30+ buyback vendors with a single search and gives you actual information on buyback pricing instantly.
As for the Keep Out! Door Alarm: Build Your Own Key-Card Security System! book, the best buyback offer comes from and is $ for the book in good condition.
Not enough insights yet.
Not enough insights yet.