29 Sep '13, 8pm

Inside The Clapper

Inside The Clapper

Hackaday readers above a certain age will probably remember the fabulously faddish products developed by Joseph Enterprises. These odd gadgets included the Ove’ Glove, VCR Co-Pilot, the Creosote Sweeping Log, and Chia Pet (Cha-Cha-Cha-Chia) as mainstays of late night commercials, but none were as popular as The Clapper, everyone’s favorite sound-activated switch from the 1980s. [Richard] put up a great virtual teardown of The Clapper, that provides a lot of insight into how this magic relay box actually works, along with some historical context for the world The Clapper was introduced to. Sound activated switches are nothing new, but the way The Clapper did it was just slightly brilliant. Instead of listening to every sound, the mic inside the magic box sends everything through a series of filters to come up with a very narrow bandpass filter centered around 2500 Hz. This ...

Full article: http://hackaday.com/2013/09/29/inside-the-clapper/

Tweets

6 Reasons to Keep Cats Inside

6 Reasons to Keep Cats Inside

care2.com 29 Sep '13, 5pm

I love cats. I have two of my own (one of whom is sleeping next to me while I write), and I’ve had cats throughout my life...

Keep that new care feel and shine inside and out with these tips and tricks by Mercedes-Benz

Keep that new care feel and shine inside and ou...

mbusa.com 28 Sep '13, 3pm

Mercedes-Benz has achieved the highest standard of paint finish on our vehicles, providing greater luster and longer lasti...

Lots of fun shooting in the middle-of-nowhere f...

flotrack.org 26 Sep '13, 2am

Does the perennial DII powerhouse Adams State have what it takes to compete with the big dogs of DI? Next week, Flotrack P...

@TheWatchMag

@TheWatchMag

theprodigalguide.com 26 Sep '13, 4am

The Prodigal Guide is proud to premiere a beautiful film from WatchFinder & Co, which dissects the movement of one of the ...

New post: What’s inside a 555?

New post: What’s inside a 555?

hackaday.com 22 Sep '13, 4pm

The 555 timer chip is a ubiquitous piece of technology that is oft-considered the hardcore way of doing things. Of course,...

Selena inside a Singapore magazine. #2

twitpic.com 03 Oct '13, 3pm

Copy & paste this code into your website <a href="http://twitpic.com/dfwny7" title="Selena inside a Singapore magazine. #2...