Vendor-neutral audits of electronic component obsolescence, covering end-of-life status, replacement cross-references and whether a given board can still be built. Each issue documents the evidence used, the confidence level and what remains unverified.
Website: https://theobsolescencebrief.com/
A personal tech blog about retro computing and hardware tinkering, covering KIM-1-compatible 6502 builds, CP/M-65, and troubleshooting vintage and cheap modern electronics. Readers get detailed first-person debugging stories with specific technical findings.
Technical articles on RF and analog electronics, covering topics like transistor impedance matching, PCB dielectric constant measurement and digital filter design. Each issue works through the theory with equations, figures and hands-on measurements.
Charlie Skilbeck's newsletter shares hardware projects he builds, including mains WiFi switches, a MIDI and expression pedal adapter, and a tiny USB knob. Each issue walks through the motivation, schematic and PCB design decisions, and firmware choices behind a single build.
One short email a week with hand-picked newsletters from the index. Free, no spam, unsubscribe anytime.
