Tech note: making your own V-I plots at home

Other: DIY electronics(lcamtuf.substack.com)view on HackerNews
DIY electronicsV-I plotssemiconductor devicesbenchtop multimeterlab supplysource measure unitSCPI protocolFastLogC implementationcurve tracing.

Author: zdw

Date: 7/17/2026

Article Summary:
A writer describes their process of creating accurate V-I plots for semiconductor devices, using a combination of a benchtop multimeter, a lab supply, and a source measure unit, and discusses the challenges and solutions involved.