Tag Archives: basic-circuit

Crowdsourced anti-SOPA rap

http://www.youtube.com/v/1w6GtwOvnWM

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Copyfighting nerd rapper Dan Bull made an anti-SOPA video. He says: Regarding the video: I first suggested the idea of collaborating on a SOPA track on Twitter a couple of days ago, asking for help with themes and lyrics. After I finished writing the song, I put a post on my Facebook wall asking people Broadcasting platform : YouTube Source : Offworld Discovery Date : 20/12/2011 09:15 Number of articles : 2

Crowdsourced anti-SOPA rap

Collin’s Lab: DIY Contact Mic

http://vimeo.com/moogaloop.swf?clip_id=33771494

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It’s amazing what a little disk can do … when it’s layered with piezoelectric crystals. Piezo disks are impressively sensitive to vibration and can easily be adapted to work as a contact microphones. The trick is the preamp – a basic circuit used to match the piezo’s signal to levels compatible with modern audio gear inputs. The resulting piezo/preamp combo can be used for electrifying an acoustic… Broadcasting platform : Vimeo Source : MAKE: Blog Discovery Date : 20/12/2011 19:11 Number of articles : 2

Collin’s Lab: DIY Contact Mic