Find all your DIY electronics in the MakerShed. 3D Printing, Kits, Arduino, Raspberry Pi, Books & more!

Img413 721
A MAKE reader sent in this handy doorknob alarm project – “A excellent analysis of a DIY circuit that buzzes when someone touches your doorknob. A lot better than a sock and it could be extended to ring your doorbell or worked into a home automation system.”Link.

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


Related
blog comments powered by Disqus

Related Supplies at Maker Shed

Follow

Get every new post delivered to your Inbox.

Join 26,227 other followers