18 May '13, 7pm

Just put your lips together to turn on a lamp - The inlaid image is a controller board which [Limpkin] developed t...

Just put your lips together to turn on a lamp - The inlaid image is a controller board which [Limpkin] developed t...

The inlaid image is a controller board which [Limpkin] developed to add whistle control as a home automation option . It has an effective range of around fifteen feet and does a good job of detecting whistles from many different people. Here is one of the test subjects (captured with a hidden camera) whistling to the white LED lamp in order to switch it on. The board is quite small. [Limpkin] holds it up in the beginning of his test video, which gives a good sense of scale. One end has a barrel jack through which the board gets power. The other end has a two conductor screw terminal which is used for switch your devices. An N-channel MOSFET protects the circuit when a heavy external load is connected. It is capable of driving a respectable 90 watts. If you’re looking to switch mains rated devices you’ll need to bring your own relay to the party. Audio processing is handled...

Full article: http://hackaday.com/2013/05/18/just-put-your-lips-togethe...

Tweets

Today on PB, a handbag that will put in your drink order on your behalf. #popthebubbly

Today on PB, a handbag that will put in your dr...

purseblog.com 22 May '13, 6pm

I’m currently having something of a love affair with champagne. Because I’m trying to watch my sugar intake, it’s often th...

Remember this?: Turn on the Woodworks

Remember this?: Turn on the Woodworks

handbagdujour.com 27 May '13, 5am

Your are here: Home // Handheld Bags // Turn on the Woodworks Turn on the Woodworks Tuesday, September 5th, 2006 Handbag d...