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 yield higher audio quality from cheaper speakers. So, that idea is pretty crazy, but it seemed just barely plausible enough that I... Read More

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 an Ethernet port and build a Squeezebox-on-a-chip. Update: Ok, so maybe that’s not such a crazy idea.. (or is it?) Anyway, I just found this, and I had... Read More

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 dinner last week. He and I cooked dinner last night: Ahi tuna steaks with a southwestern papaya/pineapple/habanero salsa, and a habanero pilaf dish on the... Read More