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Tech Flashback: Western Digital VelociRaptor (WD1600HLFS, 2.5″, 160GB, 2010)
The Western Digital VelociRaptor has ruled the roost when it comes to high performance hard drives, being the only relatively modern consumer option for 10,000 rpm drives. Descendants of the earlier...
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Repair: Colgate Electric Toothbrush (or When An Engineer Doesn’t Give Up!)
The other day, my Dad came to me with his Colgate electric toothbrush, complaining that it was weak and didn’t want to stay running. He suspected it was the battery and wondered if it would be possible...
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RoadTest Review: Keithley 2450 SourceMeter with I-V Tracer App
For the better part of the past two months, I’ve been fortunate enough thanks to Keithley and element14 to have the opportunity to RoadTest the Keithley 2450 SourceMeter with I-V Tracer app. Source...
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Tech Flashback: OzEmail Internet Starter Kit CD-ROM (2000)
When I was young, my first real experience with the internet was at my primary school. In Year Two at the time, I watched my teacher access his e-mail and read websites on a 28.8kbit/s modem connection...
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Notes: Mains Power Quality, Grid-Connected Solar & Switching
Recently while reviewing an instrument, I came across an error message which I did not expect – “unable to detect line frequency”. This, along with other curiosities, prompted me to investigate my...
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Note: Capturing VGA Analog Component Frames with an Oscilloscope
Call me slow, but I’ve only just come to realise that our beloved VGA has finally left us, to be banished to the depths of “legacy” technology. While the push to kill off the port had already been...
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Review: Generic LZ-681 QC 3.0 + 5V/3.1A Dual-Port USB Car Charger
Around two weeks ago, a reader contacted me with an offer of a Qualcomm Quick-Charge 3.0 capable USB car charger that they had obtained for cheap but was not certain about using. In fact, they weren’t...
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