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Joel Duncan

Ghost
joelduncan.io· irregular· Published 2 months ago

Hands-on engineering write-ups covering hardware troubleshooting, electronics reverse engineering and web development projects. Readers get detailed accounts of real problems, such as Raspberry Pi 5 power-up behaviour and tracing trim circuits on a DC/DC converter.

raspberry pi 5dc/dc convertermean wellpower supplyreverse engineeringhardware troubleshootingphpbootstrapembeddedopen source
Platform
Ghost
Frequency
Irregular
Latest issue
Sep 8, 2026
Language
English
Written for
Hobbyist and professional engineers building Raspberry Pi and web projects
Tone
practical
Tracked since
Oct 22, 2026

Website: https://joelduncan.io/