E Guild / Directory / Jeong Hyun-soo
E
Expert · Seoul

Jeong Hyun-soo

@jeong

instrument · adapter maker

I build measurement-grade adapters that lab benches actually keep open. CIA-certified, lock-in amplifiers and SMUs my specialty.

Hardware CIA · Certified Instrument Adapter Verified Lab Lead
Expertise

What I work on.

VISA / GPIB lock-in SMU oscilloscopes firmware
Case Studies

What I shipped.

Hardware · 2026

KAIST optics lock-in adapter

Built a VISA-bridged MCP adapter for the group's SR830 lock-in. Daily-driver since.

KAIST Optics LabClient
Hardware · 2025

Power supply automation bundle

Three Keysight E36313A supplies running from a single card with policy.yaml gating.

Bench Lab SeoulClient
Engineering · 2025

Maker partnership — Rigol DS1000Z driver

Joint adapter for the entry-level scope. Now shipped with the lab bundle template.

RigolClient
Voices

What clients say.

"He shipped a working adapter in a week. We have not had to think about it since."
Dr. M. Han · KAIST Optics
"Reads the spec, asks one question, ships."
J. Kang · Bench Lab