Users will be able to connect with their apartment building's intercom system to talk to guests and buzz them in right from their phone. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

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 ...

Objectives Rising patient numbers and limited resources are creating a challenging environment for healthcare providers recently. Anaesthesiologists are also increasingly faced with complex situations ...