The circuit provides a simple illustration of a door phone intercom system having a two-way communication using the features of LM386 amplifier. Intercom – short for intercommunication, is an ...

The circuit presented here can be used for connecting two telephones in parallel and also as a 2-line intercom. Usually a single telephone is connected to a telephone line. If another telephone is ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. There are three types of communication that can convey complex information: written, visual (i.e.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The process of selecting the right intercom system for a broadcast or post-production facility, ...