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Paul Schow
158 followers
158 followers
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Paul's posts

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Pervasive Displays EPD Extension Kit Gen 2 Review
My previous post about my  epaper business card  attracted a lot of attention, most of it good. After publishing that project I was contacted by  Pervasive Displays , who offered to send me an epaper demo kit in exchange for me writing something about it. T...

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Epaper Business Card
Recently, after graduating with a EE degree from the University of Colorado Colorado Springs and working at X-IO for a few months, I found myself out of a job . This gave me plenty of time to work on projects! (Yes, I am looking for a new career, check out ...

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$25 Satellite Tracker
After building my  QFH antenna , I became more interested in satellite communications. The QFH antenna works great for circularly polarized signals like weather satellites, but something like a yagi or log-periodic antenna is better for most sats, because i...

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Raspberry Pi Visual Ping Indicator / Roommate Tracker
A frequent problem in my apartment is the lack of a consistent sleep schedule among my roommates. It's hard to tell when someone is asleep in their room, and when someone is gone and their door is closed. One of my roommates made a joke that I should build ...

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Recieving NOAA satellite pictures using a QFH antenna and RTL-SDR.

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QFH Antenna for Receiving Satellite Images Using RTL-SDR
There is an incredibly popular low-cost software defined radio, known as the  RTL-SDR . I've had one of these for months, and haven't really done anything cool with it. Recently I've seen a lot of people on the  reddit  building quadrifilar helix (QFH) ante...

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RGB Internet Pumpkin
Just in time for Halloween, I modified my previous Raspberry Pi Internet LED Control project to control an RGB LED, and stuck it inside a fake pumpkin. Now I have an internet controlled RGB pumpkin! The code is basically the same as the old Raspberry Pi Int...

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My Beagebone Black has a chip made in the 37th week of 2013. Finally!
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Digital Picture Frame
The problem with old computers is trying to find a use for them after you have upgraded. I found myself owning four different laptops. Along with my tablet, phone, and desktop, I didn't have use for so many laptops. Initial Hardware  One of these was given ...
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