Tag Archives: open hardware
Radio Spectrum Analyzer at Maker Faire
For Maker Faire, I cobbled together a last-minute radio spectrum analyzer out of a HackRF software-defined radio and a giant vacuum fluorescent display. Continue reading
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My First 8-Layer PCB
I recently completed my first 8-layer PCB design, for Michael Ossmann’s Daisho project. Among the challenges: a 780-pin Altera Cyclone IV FPGA, a USB 3.0 chip with 0.8mm ball spacing, very high-speed parallel and serial buses, tight power constraints, and … Continue reading
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Sailing the I2Cs with the Bus Pirate
A presentation on exploring I2C hardware with the Bus Pirate. Continue reading
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Monulator Design Evolution
Lots of Monulator comments, and progress on the next prototype design. Optional wireless!!! Continue reading
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The Monulator
Introducing The Monulator, a USB-controlled analog panel meter with RGB backlight. Continue reading
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Patching and Building KiCAD on Mac OS X Lion
How to build KiCAD schematic and PCB layout software for Mac OS X Lion, and add multi-touch scrolling and zooming support. Continue reading
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Progress On My Software-Defined Radio
My homebrew software-defined radio tunes and captures 8MHz of FM broadcast spectrum, and I demodulate it using GNU Radio. Continue reading
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HackRF, A Software-Defined Radio Project
HackRF is a new, low-cost software-defined radio project. Watch this open hardware project, as it is designed and refined before your eyes! Continue reading
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On Blogging and Modesty
My blog is languishing, due to my modesty about my projects and my writing abilities. And that’s just silly. Continue reading
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Software Radio Baseband Digitizer PCB
I’m plugging away at building an inexpensive, high-bandwidth software-defined radio receiver. I built a bunch of PLL+VCO boards, filter boards, and quadrature mixer boards. But I still don’t have a good ADC to sample the signals I’m receiving. No longer! … Continue reading
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