Tag Archives: projects

Building a Better Voltage Regulator

Glancing through my feeds, I stumbled across a note on The Paleotechnologist describing a new replacement for the venerable LM7805 linear regulator IC. It turns up in a ton of devices, pretty much anything with a medium-current 5V rail including … Continue reading

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First Look: 1934 Grunow 750 “World Cruiser”

I’m getting ready to sell some of my radio collection to make room for new ones, but until that happens I’ve been under something of a self-imposed moratorium on new purchases. This one came up on eBay a little while … Continue reading

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Shortwave Radio Reception with the RTL-SDR Dongle

Need your own upconverter? Click here! I bought and did a quick setup on my RTLSDR dongle using SDR# a few weeks ago, where I used it to listen to FM radio stations around my area and a few public … Continue reading

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Build Log and Review: Mable Audio VT-86PP Kit Hi-Fi Amp Project [Chinese Gear]

About a year ago, someone left a comment that really looked like spam on one of my pages advertising a web store selling tube audio gear and parts for guitar and audio amplifiers. Against everything I’ve ever learned about behaving … Continue reading

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October Projects

September was a good month for projects. I accomplished all the things I set out to do and more: I’ve finished the Hornyphon radio for my customer Repaired and began using the Hallicrafters Got the broken ViewSonic monitor going again … Continue reading

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YAMR [Yet Another Monitor Repair] ViewSonic VP191b

A little while ago, I picked up a set of seven LCD monitors in various states of not working ┬áto work on repairing and maybe eventually reselling. The first one was quite easy – it just needed a wire reconnected … Continue reading

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