No Inductors Needed for This Simple, Clean Twin-Tee Oscillator

If there’s one thing that amateur radio operators are passionate about, it’s the search for the perfect sine wave. Oscillators without any harmonics are an important part of spectrum hygiene, …read more Continue reading No Inductors Needed for This Simple, Clean Twin-Tee Oscillator

An LM386 Oscillator Thanks to Tungsten Under Glass

Once ubiquitous, the incandescent light bulb has become something of a lucerna non grata lately. Banned from home lighting, long gone from flashlights, and laughed out of existence by automotive …read more Continue reading An LM386 Oscillator Thanks to Tungsten Under Glass

Tiny Dongle Brings the Hard Drive’s Song Back to Updated Retrocomputers

Back in the “beige box” days of computing, it was pretty easy to tell what your machine was doing just by listening to it, because the hard drive was constantly …read more Continue reading Tiny Dongle Brings the Hard Drive’s Song Back to Updated Retrocomputers

Hackaday Links: July 18, 2021

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Tell the world that something is in short supply, and you can bet that people will start reacting to that news in the ways that make the most sense to …read more Continue reading Hackaday Links: July 18, 2021

Lessons from Teaching Cybersecurity: Week 7

As I had mentioned previously, this year, I’m going back to school. Not to take classes, but to teach a course at my alma mater, Fanshawe College. I did this about a decade ago and thought it was interesting, so I was excited to give it another go. Add… Continue reading Lessons from Teaching Cybersecurity: Week 7