Shaun Merrigan

Classic Electronic Restoration, Vacuum Tube Audio, Technical History, Photography

Tag: Advantest R6581T

AI Assisted Coding for Lab Instrument Control

02/05/2026

AI Assisted Coding, Instrument Control GPIB HPIB

As of this writing (May 2026) AI Assisted Coding is it’s infancy. However the tools are available and very competent, given proper direction. Over the past few weeks, I have used Claude Code to help write control, logging and calibration applications for the following instruments: My goal as I approached this was to come up…
Advantest R6581T Voltmeter Display Replacement

23/03/2026

Advantest, Restoration of Classic Electronic Test Equipment

The Advantest R6581T is an 8.5‑digit, rack‑mount digital voltmeter (DVM) built for high‑precision DC measurements; the T variant is a DC‑only field/rack model (no AC TrueRMS option) and is prized on the used market for lab and calibration work—buyers should expect to source units secondhand and verify display/health before purchase. Overview Notable Features and Design…

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