To complement the 2-wire and 3-wire sensor transmitter blogs that Kevin Duke and I have already published on Precision Hub, my next few blog topics will be on 4-wire sensor transmitters. The blogs ...

Two-wire transmitter technology came about from an agreement among various instrument suppliers in the 1950s to standardize on 4-20 mA current loops as a means of sending a flow, temperature, pressure ...

It's important to install the proper cable. RG-6 ('RG' is an old military term for Radio Guide/Grade) is the industry standard, but there are other considerations. Use this chart to help determine ...

Consider this diagram of two wire loops. It is the basic sensor used in some anti-shoplifting systems. I am told that it was patented in 1938 by one Pierre Picard and that it is called the “Picard ...

We really like this take on a conductive wire maze game. It’s the result of a 48-hour hackathon in Belgium which required that all projects stemming from the event use an Arduino. We think [Jan] and ...