Category Archives: Computers

Bad Caps in Everything

I just had a bit of a scare with my Audio Precision analyzer. The 2004-era Dell OptiPlex GX270 which drives the AP hardware decided it would refuse to power up – just flashing the “ON” light for a fraction of … Continue reading

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Hands On with the Antumbra Glow

Remember a few years ago how Philips paired one of their flat-panel TVs with some image processing and colored glow tubes along the sides to make your video blend into the wall behind it? I was always fascinated by the … Continue reading

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Want an Acer Chromebook? They’re really cheap right now on eBay.

Back in June, I’d picked up an Acer Chromebook CB5-311 from Amazon. At the time, it was $377 for a pretty high-end machine with 12+ hours of battery life, a quad-core nVidia Tegra CPU and Kepler GPU with 4GB of RAM … Continue reading

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Hands On with the new Acer Chromebook 13

I was recently in the market for a new laptop to replace my aging ProBook 4415S. It was a middle of the road HP business laptop from 2009, and over the years I’d upgraded the RAM to 4GB and installed … Continue reading

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Screenshots from HP 3585A Spectrum Analyzer via GPIB?

I’m wondering if anyone reading this might have some experience and could chime in. I’m trying to make my HP 3585A spectrum analyzer talk to my Windows XP laptop over GPIB (488.1) with a National Instruments PCMCIA-GPIB card. I’ve been … Continue reading

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Play Quake 1 on an Oscilloscope

Pekka Väänänen must have been bored over the holidays, as he came up with a fantastic and fascinating new use for an oscilloscope and a laptop: playing a round of Quake on his Hitachi V-422 scope in X-Y mode.   After … Continue reading

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Stay Safe Out There [IT Safety and Security Practices]

Just in time for the holiday shopping season, every single credit and debit card I own is being re-issued by the banks due to data breaches at retailers across the country. It’s my fault, really, for shopping at massive retailers … Continue reading

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