Serial Lab #1 (crunchy!)
I like working with serial from Arduino to Processing. It makes me a little giddy.
These are the sensors I hooked up, and below that are the different kind of designs I could make using the standard Processing code.
I first tried FSR’s and didn’t really notice a difference between them. Pretty plain spikes and dips depending on pressure. I tried to take out as much upswing and downswing in the signal, shown below, which almost looks like a momentary switch. Oops.. that is the momentary switch. Documentation fail.
Then I tried the flex sensor. Nice to see the rounded dips. I twanged the sensor a few times, pictured towards the left side of the graph.
I hooked up a potentiometer and found the action very linear, like an etch-a-sketch. I tried to round the peaks and step up and down like canyon plateaus.
Noise is always fun to play with, as is the charge our bodies gives off.
I ripped a tiny microphone out of a broken audio tape walkman and stuck it in the breadboard to see if I could get sound to make spikes appear on the graph. It wasn’t that sensitive to sound, but it was sensitive to hard wind blowing on it. Not very precise, but also not set up for precision. Something worth looking into.
On to serial lab #2.
Tags: arduino, PhysComp, Processing, serial