The earliest intercom uses date back to the late 1960s and early 1970s, when concerts became too loud to allow for waving pieces of paper or shouting from the stage to the back of the hall. The ...

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 ...

Broadcasting is all about communicating to and with the viewing audience. A big part of making this happen is the ability for production teams, technical crew and on-air talent to communicate with ...