A set of automated gates and signal lights for level crossings on train layouts.
Bride of FrankenStorms
I wrote an H8 assembler and disassembler and am working on a simple C compiler for the RCX.
I also added MindStorms support to SoftWIRE.
Mosaic Madness
When NELUG created a mosaic of the Boston skyline,
I wrote a program to divide the full image into kits to be assembled by individual members.
Le Gorge
I built a train table that sits below the level of its neighbors, then filled in the gap with LEGO.