A personal blog-style newsletter by Steve documenting hobbyist microcontroller projects, mainly CircuitPython on RP2040 boards with HDMI/DVI output, plus retro-computing nostalgia. Posts are short, working notes with code snippets and honest remarks on tools like ChatGPT.
Website: https://twindx.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.
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.
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.
One short email a week with hand-picked newsletters from the index. Free, no spam, unsubscribe anytime.
