This is the presentation I gave for my Urban Computing final — Concrete Crickets.
It’s a little big, so it’ll take its sweet time loading — click to advance slides. If you want to just jump to the slideshow, go here. This will be updated with a version that includes my notes for each slide shortly.
The crickets looked like this on the outside:
And this on the inside:
And a little clearer here:
Each unit contained an Atmega8 chip running Arduino, an OpAmp circuit, an ultrasonic rangefinder, two relays, a few capacitors to smooth out readings and values, a 1″ flat speaker, an itty bitty speaker (which I don’t think I’ll bother using in future versions), a hacked MP3 player, a AA battery for the MP3 player, a 9V battery to power the rest of the circuit, and a few other odds and ends. This was all soldered onto a perfboard which was then wrapped in a plastic bag and shoved into a crumpled soda can.
That looked kinda like this:
And this from the front:
I’ve got more on this, but I’ll have to write this all up for the Conflux submission, so let me do that and then return with descriptions of all that.
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