microphone

Public Lab Puts Eco Justice in the Hands of Citizen Scientists

A network of DIY environmentalists is helping monitor oil cleanups and busting polluters.

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Over the Top: Hack a Hard Drive into a Working Microphone

Rulof Maker decided to build his own microphone using parts from a hard drive and an old paper speaker. The end contraption looks great.

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Projects with Ryan Slaugh: Simple Amplifier

[youtube=http://youtu.be/eikfRF66hRA] Building upon my last video, I’ve decided to make a simple circuit using some op-amps.  One is the general op-amp LM741. The other is a specific op-amp, LM386, that is designed for audio amplification. This circuit can be used to amplify microphones or be used as a circuit sniffer depending on what you connect […]

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Calling All Covert Operators – Build a Bug with Weekend Projects

Build a wireless “bug” by combining an amplified listener with a short-range FM transmitter. Hide the circuit in a book or other discreet object.

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Build a Contact Microphone workshop at AS220 in Providence, RI

This month, we got a special workshop going on at the labs. Traveling circuit bending rock band, CMKT 4 will be stopping by the labs to host a “Build a Contact Microphone” workshop on Thursday, September 22nd. Contact microphones are awesome for noise making and experimenting. Just check out some cool projects here – Get LoFi. You can record sound traveling through any material (metal, wood, your body…starting to get awesome ideas?).

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How-To: Bass drum microphone shock mount

Instructables user brainparts built this acoustically-isolated microphone mounting ring for his kick drum using bungee cords and a short slice of 6″ aluminum pipe, all for about $20. He says if he were to do it again, he’d just use PVC pipe for the ring.

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