A compilation of three build logs on turning discarded Helium crypto hotspot miners into Meshtastic mesh nodes, covering hardware, OS setup, LTE and GPS, grounding and tower mounting. It also includes a developer's write-ups on rewriting SmokePing in Go and a native macOS screenshot and upload tool.
Website: https://blog.bsd-unix.net/
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.
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