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Categories
May 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 31 Meta
Category Archives: Ideas
The Awkward Engineer AWK-105 Analog Meter Clock
A few years back, I did a roundup of the various meter clock projects which were floating around the Internet those days. Some were really intricate: I’m a bit late to the party, as this came out a few years … Continue reading
Posted in Collections, Gadgets, Home, Ideas
Tagged awkward engineer, chronulator, meter clock
2 Comments
Watch: a home machinist makes a clock from scratch, right down to the screws and washers
This is up there with Claude Paillard creating early 1920s-style triode vacuum tubes entirely by hand in his home workshop: Chris from Clickspring is building a skeleton clock from scratch using a home machinist’s shop, and documenting it in lavish, hypnotic … Continue reading
Posted in Collections, DIY, Ideas
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Keurig 2.0 Hack: Make Any Coffee You Want
I’m a bit late to the game for this particular trend on the Internet, but it’s definitely worth sharing. If you drink coffee in the mornings, you’ve probably heard of Keurig and their single-serving K-Cup style of brewing coffee. Pop … Continue reading
How Speakers Make Sound
If you’re looking for a great visual primer on how speakers convert electricity into the music you hear, check out this fantastic animated infographic by Jacob O’Neil at Animagraffs How Speakers Make Sound
Posted in Audio, Electronics, Ideas, Resources, Speakers
Tagged how speakers make sound, infographic
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DIY Replacements for Vintage Couplets and Printed Electric Circuits
Starting in the ’50s, they’d figured out how to start miniaturizing components. “Couplets” and “printed electric circuits” started showing up in equipment around then. These components were combinations of several resistors and capacitors in a single package. Like most components … Continue reading
Posted in DIY, Electronics, Ideas, Vintage
Tagged centralab, couplet, crl, eico, hf-81, pc-191, printed circuit, printed electric circuit, Sprague, tc-24, vintage circuit
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September Update
Welcome to KF7LZE! I’m an amateur radio enthusiast and freelance electronics technician. I write this site with a goal to make it easy and enjoyable to put together electronics projects and perform your own repairs to save money, have fun, … Continue reading
Posted in Collections, Commentary, Ideas, Internet, Mailbag
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Introducing Easy-Kits!
I’m proud to announce a new venture from KF7LZE in partnership with KF7LZR! Easy-Kits strives to provide easy to find parts to complete the projects you find on my site, not to mention offering other interesting projects and parts to … Continue reading
Posted in Commentary, DIY, Electronics, Gadgets, Ideas, Projects, Radios and Tubes, Technology
Tagged easy-kits, Kit, kits, RTLSDR, SDR#
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Partsim: Circuit Simulation Made Easy
I came across Partsim, a free and easy to use circuit simulator that runs in the web browser, and would definitely encourage you to check it out if you’re looking for a tool to design and simulate circuits. It … Continue reading
Posted in Commentary, DIY, Electronics, Ideas, Internet
Tagged circuit, cost engineering, fried electronics, partsim, simulation
1 Comment
July Projects
July is always a pretty busy month – it’s finally summer in the Pacific Northwest and so my attention is divided between my electronics work and spending time in the great outdoors. I have a few things in the pipeline for … Continue reading
Posted in DIY, Ideas, Photos, Projects
Tagged Active Equalizer, Bose 901, EQ, GE J-105, Grundig 5399U/S, Grundig Radio, July Projects, projects, Series 1
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Old rocker complains about new technology
According to Rolling Stone, Neil Young is pulling his catalog from all streaming music services over complaints about the sound quality. I don’t see this impacting me personally since I don’t listen to him and indeed can’t even name a … Continue reading →