That’s why something like this 2×4 relay-based multiplexer might be a ... His goal was to switch both the positive and negative test leads from up to four instruments to a common set of outputs ...

One of the simplest tasks a digital multimeter can perform is a basic voltage test on a car battery ... the first step in that process is to check fuses and/or relays. One could simply pull each fuse ...

In this QuickChat, Alix Paultre speaks with Robert King, product manager for relays at Pickering Electronics, about the role ...