Tonight I finally got my first prototype filter mocked up for the 8 bit VCO. Okay, technically that's not true, I've made four separate output filters so far. But they've all had problems one way or another.
The first one, a passive filter, was just too rough. Second one was alright but I lost my paper with the component values on it. Easier to just design it all over again.
Last month I participated in the Minneapolis St. Paul Mini Maker Faire! This was my third year exhibiting. (I have to dig through the archives to find pictures of my previous years exhibits and post those at some point).
This year, after the faire was over, I remembered to do a little video that demonstrated my "analog" synthesizer. Here it is: