Our awesome on/off switch.
An overhead shot of the transmitter. In the bottom left you can see the XBee radio chip. On the middle right, partially obscured by tape, you can see an Atmel AVR Butterfly. On the bottom is the headphone jack.
One of our receiver units. It has the same I/O as the transmitter - a power switch and a headphone jack.
The inside of a receiver. You can see the blue XBee radio chip, a Butterfly, and in the top left corner of the breadboard, a DAC chip.
Our "mobile" receiver. Inside the backpack is a receiver identical to the one in the above photos. The only addition is some cheap powered speakers.
A receiver, hidden inside the backpack.
Next, some pictures from the Senior Project Expo, taken by our friend Manish. You can see his group's project at http://abstc.blogspot.com/
Kevin (in the red shirt) explains our project to someone.
Toviah (on the left) stares wistfully at Kevin as I (in the middle) contemplate life.
Toviah explains our project as I look on.
I explain our project to onlookers.
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