We're still working on our own plans to grab that $10 million Tricorder X-Prize from Qualcomm and our progress has just been given a shot in the arm from Dr. Peter Jansen, who's released the designs for his tricorders. Making all the specifics open source, his Mark 2 model runs on Linux, while the hardware includes an ARM Atmel microcontroller squeezed into a clam-shell with two OLED touchscreens. Schematics, board layouts, and the firmware is all available at the source below and also includes the initial proof-of-concept device.
Engadget
See also:
trendygadgets, Tricorder designs go open source: can detect magnetic fields, reveal Trekkies (video)
