PCBWay Open Source Design Contest https://www.pcbway.com/activity/kicad...
Benchtop Voltmeters & 3D Printers at https://www.welectron.com/
More from me at   / marcoreps   or YouTube Channel subscription

NBS Technical Note 430 https://dataproof.com/Publications/NB...
Nanovolt Scanner Project https://github.com/marcoreps/rotoplexer
10V Standard project https://github.com/marcoreps/ADRmu
Keithley 7168 nanovolt switch card https://xdevs.com/review/kei7168/
BIPM Rotary Switch paper https://iopscience.iop.org/article/10...

00:00 Intro
02:34 NBS 430 Method
03:34 How I could do it
09:04 How I will do it
11:35 Mechanical
17:37 Motion control
19:42 Assembly
21:46 First test
24:57 Problems