Once upon a time, I knew how to use Unix sockets.
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Gainclone Amplifier
This one was a long time in the making. The case is cherry, the face plate and knobs are copper. The left knob is input select, center volume, and the right knob is a rotary dimmer switch for the (incandescent) backlight on the volume knob. Sounds absolutely beautiful, looks just as good, with more coats of polyurethane than I kept track of! Thanks to all of the people at diyaudio.com, especially BrianGT, who made the PCB boards I used, and to my then landlord Steve who let me use his shop.
CS222, Data Structures
Some old code files from my undergraduate CS222 Data Structures class. At the time I was pretty proud of my fully-recursive AVL tree!
Cellular Automata
In my earlier programming career, I was very interested in cellular automata and Braitenberg vehicles. I wrote a couple of object-oriented Java packages to explore their behavior. These are Java applets, one should be able to run them with appletviewer PanelApplet.html.
Headphone Amp
The second iteration of the headphone amp was the same internal design, packed into a slightly smaller, sleeker container. This one has a much more solid feel to it. It’s based on Chu Moy’s design; I checked the first iteration using a scope and it checks out nice, no clipping and the input/output resistances are good (100k in, theoretical 0 out.)
