When you need to make very tiny measurements, even noise in closed relays can throw you off. [Marco] was able to observe this effect and wanted to build a switch that didn’t have this problem ...

22 thoughts on “ Reinventing Rotary Switches With Stepper Motors ” Assad Ebrahim says: May 27, 2024 at 3:37 am Fantastic ... There are also normally closed reed relays, ...

What is the normally closed SPST relay? The NC Normally-Closed SPST (Single Polse Single Throw) relay has an initial closed circuit state when no current is applied to its internal coil therefore it ...