HOW TO – Simple Microphone Preamplifier
Tomi writes – “This is a simple microphone preamplifier circuit which you can use between your microphone and stereo amplifier. This circuit amplifier microphone suitable for use with normal home stereo amplifier line/CD/aux/tape inputs. This microphone preamplifier can take both dynamic and electret microphone inputs (preamplifier provides power foe electret microphone elements). The idea of this circuit is to keep the design as simple as possible to be easy to build. That was my goal when I needed a simple external microphone preamplifier for my mixer. The performance of the circuit is nothing superior but can be used with many not so serious projects.” Link.
Nice use of a mint tin! – “This site features projects and circuits for building stereo microphones from low-cost Panasonic electret microphone capsules. Included are Mid-Side, XY, and Blumlein microphone setups. In addition, there are interesting related circuits and links to sites with microphone information and parts sources.” 
TheDude06 writes “I finally completed my wireless guitar hero controller mod! With so much space available in the guitar, i knew it was possible. id just never got around to finally doing it. Long story short, i had to completely dismantle the guts of the guitar to do this. its not possible to do this mod without soldering or removing parts from the guitar hero board…. at least, not the way i dd it. Since i wasnt able to find a box that could turn any controller into a wireless controller locally, i figured id take a stab with these…” 
Not a bad deal for $49. “MIDISpeak Module – Version 2, The Talking Toy MIDI RetrofitAdds a standard MIDI IN port to your Speak & Spell, Speak & Read, or Speak & Math. Non-English versions also supported. Trigger thousands of sounds–words, word fragments, garbled speech, percussion and bizarre sound effects.” 
“A small wireless battery powered device – Turn it on near a friendly wireless network that contains iTunes shares and plug your headphones in. It picks a random iTunes share, picks a random tune and starts playing. Repeat until bored or the batteries are dead. The size of the system is amazing. The main board is about the size of my little finger. By default it’s running an ssh server, a web server and advertising itself to the network with bonjour.” 
Michael writes: “I’ve been wanting to do this for a while. I remember reading about an expensive commercial product for it, and there’s a much cheaper product available that is 
Peter writes “Here’s a Haile, a robotic drummer that responds intelligently to your playing with an expressive performance on a Native American Pow-wow drum. They’re set to create a Jewish-Arab drum circle composition featuring the robot commissioned for performance in Jerusalem.” Here’s how they did it. 
