Tag: audio

  • Simple Optical Microphone/Pickup

    Simple Optical Microphone/Pickup

    This is another mini-project that began, like so many have, in a discussion with Scott over some beer. We wanted to build a new kind of speaker amplifier, which used mechanical closed-loop feedback to position the speaker cone exactly where the audio signal says it should be. We figured that, if done right, this could…

  • Propeller chip + SPDIF = ???

    Propeller chip + SPDIF = ???

    So, kind of on a random whim, I decided to build a software SPDIF encoder for the Propeller chip. It was an interesting challenge, and the results are pretty cool, but now I have no idea what do do with it. Not an uncommon problem for me, I guess… Maybe I’ll give my Propeller board…

  • Random update, DIY Wirelesss Guitar Hero

    Random update, DIY Wirelesss Guitar Hero

    Yikes, it’s been nearly a month since I updated this last. A lot has happened since then… but I’ll skip to some more recent things. David is a Californian, as of last Tuesday! He kept busy buying furniture and waiting in line at the DMV, but I did manage to see him at my birthday…