Most precision digital multimeters (DMMs) and many source measurement units (SMUs) offer both two-wire and four-wire resistance measurement capabilities. However, these two techniques are not equally ...

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 ...

Just because you can connect two wires together, it doesn’t mean that you should, but if you need to, then here’s how. Let me start out by cautioning the reader: Just because you can connect two wires ...

IRVINE, Calif. April 20, 2021 - Dahua Technology, a world-leading, video-centric provider of smart IoT solutions, is introducing a new line of expandable 2-wire IP video intercom solutions for the ...

While addressable LED strips are all the rage, [Mike] from [mikeselectricstuff] has been working on an installation using the more basic two-wire strips that are simply controlled via PWM dimming.

At times, designers face a limited amount of wire and/or a limited cost to communicate with a remote device such as a sensor. Many devices allow communication over an ac or dc power line employing an ...