Author Archives: Heath

TheTVDB Android App

I created an android app to search thetvdb.com Find the app here: https://play.google.com/store/apps/details?id=com.heath_bar.tvdb Find the code here: https://github.com/heathbar/TheTVDB-Android…

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Office Lights Installed

Last year I was finishing part of my basement to build a new office for myself. A friend recommended I utilize some of the wasted space behind one of the walls by adding some built-in shelves. I grew up working in my father’s cabinet shop, I couldn’t just build simple flat shelves. Instead I came up…

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Spectrum Analyzer

I’ve started work on a spectrum analyzer built around the MSGEQ7. A spectrum analyzer measures the magnitude of an input signal versus frequency. – Wikipedia In this case the MSGEQ7 will be measuring an audio signal, cutting it up into 7 frequency bands (lows/mids/highs/etc.). The data will be read by an arduino and displayed on a series…

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Hacking a Swing

The newest member of my family has become quite attached to swinging. The problem was that the swing was battery powered. I was reasonably surprised at how long the batteries lasted–nearly a month of every day use. Still, when they finally expired, I was reluctant to make another purchase. So instead, I embarked on a project…

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HDR with chdk and Ubuntu

I recently purchased a Canon PowerShot sx40 hs. It didn’t take me long to install chdk, an alternative firmware available on Canon’s PowerShot line. One of the features I was most interested in was bracketing. Bracketing is the technique of taking a number of pictures of the same subject with different settings. Once you have a number of…

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