As this blog doesn't stretch back to the start of the semester, here are some videos documenting the early classes in Physical Computing.
The first foray into making a circuit:
Completing Arduino tutorials:
Connecting the Arduino to my home made object:
A combo lock assignment (unlocks when hand is at just the right height from the sensor):
Connecting Arduino to Processing:
Hooking up a ZX sound detector:
Scary dog vs cute dog, as controlled by sound and a slide resistor: