FJ Laboratories – An Anti-Design Studio – fj laboratories

fj laboratories

Musings, deliberations, and end results.

The Illusion of Strength—A Unified Theory of Mechanical Properties in Design

Felix Jen – 20 November 2025 — 15 min read

The Illusion of Strength—A Unified Theory of Mechanical Properties in Design

JLCPCB - An Analysis of a Recent Test Run

Felix Jen – 19 August 2025 — 24 min read

JLCPCB - An Analysis of a Recent Test Run

The XZ Utils Backdoor - Burdens, Blame, Burnout

Felix Jen – 19 March 2025 — 12 min read

The XZ Utils Backdoor - Burdens, Blame, Burnout

Glass Transition Temperature and Flatness — A Breakdown

Felix Jen – 19 March 2025 — 7 min read

Glass Transition Temperature and Flatness — A Breakdown

AT90USB USB Enumeration on Windows

Felix Jen – 03 February 2025 — 9 min read

AT90USB USB Enumeration on Windows

Designing Conductor: Power — A Tale of Two Diodes

Felix Jen – 25 August 2024 — 14 min read

Designing Conductor: Power — A Tale of Two Diodes

FJLaboratories — A Website Design Tour

Felix Jen – 07 July 2022 — 25 min read

FJLaboratories — A Website Design Tour

Axioms for Design — Part 2 — The Costs

Felix Jen – 01 July 2022 — 15 min read

Axioms for Design — Part 2 — The Costs