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June 2022 S M T W T F S 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Meta
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
Posted in Computers, DIY, Electronics, Test Equipment
Tagged audio precision, capacitors, motherboard, system one, windows 98
3 Comments
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
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
Posted in Commentary, Computers, Gadgets, Technology
Tagged 1080p, 13, acer, cb5-311, chromebook, laptop, Linux, mac, windows
2 Comments
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
Posted in Computers, DIY, Electronics, Test Equipment
Tagged computer, gpib, hp 3585a, ke5fx, keysight intuilink, spectrum analyzer
4 Comments
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
Posted in Computers, DIY, Electronics, Gadgets
Tagged lofibucket, oscilloscope, quake, quakescope, vector, video game
2 Comments
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
Posted in Commentary, Computers, Internet
Tagged attack, credit card, debit card, hackers, internet, internet security, online, phishing, safe, safety, terrorists, viruses
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Destroying Hard Drives with a Drill Press
I’ve had this stack of old hard drives lying around for a few years as drives become unreliable or I upgrade. There’s a 160GB, 320GB, two 400GB and a 1TB that failed recently. Most of them have never been even … Continue reading
Steampunk USB Vacuum Tube Flash Drives
I ran across these very cool steampunk-inspired USB flash drives drives built around a vacuum tube while looking for some tube shields. They look like they’re really well built and are a clever use of an old vacuum tube. I … Continue reading
Important Note About “Heartbleed”
This is a bit outside the normal repair shop posts you find here, but it’s important: A coding mistake that has existed for several years in one of the fundamental libraries used by about half of all servers on the Internet … Continue reading
Posted in Commentary, Computers, Internet
Tagged amazon, bug, change, dropbox, facebook, godaddy, google, heartbleed, instagram, internet, intuit, minecraft, okcupid, password, pinterest, quickbooks, Security, soundcloud, tumblr, turbotax, usaa, wunderlist, yahoo
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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 →