Monthly Archives: January 2012

C3: Wireless Sensors!

I’ve been making good progress since receiving my IOIO. Got it up and running over USB, tested it all out, and then had to wait for my PICKit3 to upgrade it’s firmware. Once it arrived, it took some time for me to grok it (I’ve never used a PIC programmer or anything like it before) but finally got the Firmware upgraded and got the IOIO talking to my phone over Bluetooth.

Look ma, no breadboard!

Programming!
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C3: From the ashes!

I had an unexpected break through on my C3 project! A couple nights ago, I had some spare time, and had been thinking about the pressure sensor for a long time. The problem with it is, there is a circle with a radius of just 4mm, and in order to get good readings, the force must be applied to the center, not the edges. This gives me only about 2mm’s in radius to apply force in. Since this will be under my mattress where things can be jostled or move around, that’s a pretty narrow margin of error.

With this in mind, I came up with an idea for a “puck” and threw it together in Google SketchUp:

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