Category Archives: Toys


Intro to Designing and Making Your Own PCB Boards

Glossary: PCB = Printed Circuit Board EDA = Electronic Design Automation software hobbyist PCBs = single- or double-layer boards without high-frequency circuits Designing and making PCB boards is one of the easiest, least expensive, least messy CAD/CAM hobbies. Most people … Continue reading

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Korg ARP 2600 Synthesizer Available Again

ARP 2600, new! lol. It was the first portable (van instead of truck) synth, and used in the original Star Wars movie for the “voice” of R2-D2. ARP went out of business after some failed products, and Korg bought them. … Continue reading

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Frank Denis says Stop using ridiculously low DNS TTLs

One of the best DNS posts I’ve seen in the last decade, on short TTL issues. It’s also a great tutorial on how to do data-driven technical analysis. As a DNS administrator, I knew it was bad, but not that … Continue reading

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Programmers who want to curry favor (to be polite) with Paul Graham, the founder of Ycombinator, upvote postings on the Lisp programming language on Humorously, one commenter noticed this gem in a Lisp article: 🙂 classichasclass 3 hours ago … Continue reading

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ADS-B Juicy Gossip

U.S. aircraft operators are required to have digital position reporting (ADS-B Out) installed, working and certified before Jan. 1, 2020 and European operators June 7, 2020. uAvionix sells the very innovative tailBeacon-TSO for small airplanes in the USA at only … Continue reading

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