pin driver, comparator, A/D

button (number of contours)
   hello.button.45.cad
   hello.button.45.asm
light (phototransistor)
   hello.light.45.cad
   hello.light.45.asm
   hello.light.45.py
temperature (thermistor)
   hello.temp.45.cad
   hello.temp.45.asm
   hello.temp.45.py
step response (resistance, capacitance, inductance, position, proximity, tilt)
   hello.step.45.cad
   hello.step.45.asm
   hello.step.45.py
microphone (electret, power supply)
   hello.mic.45.cad
   hello.mic.45.asm
   hello.mic.45.py
   hello.mic.44.cad

sonar, magnetic field, acceleration/gravity, pyroelectric/motion, strain

graphics
   Tkinter
   wxPython
   pygame/SDL
   PyOpenGl
   cgkit
   VTK
   matplotlib

assignment
   measure and display something