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 ...

Any landlord managing multiple apartments should understand the importance of installing an apartment intercom system with door release functionality. From helping you monitor who visits to providing ...

Although it can be hard to imagine in today’s semiconductor-powered, digital world, there was electrical technology around before the widespread adoption of the transistor in the latter half ...

On his blog, [Kenneth Finnegan] recently showed off a replica of a fun toy he used to play with as a kid, a telephone intercom system. The setup is pretty simple, requiring little more than a pair of ...

There are three types of communication that can convey complex information: written, visual (i.e. video) and spoken. In complex tasks, such as managing real-time operations in a broadcast production, ...

IP audio and control specialist Barix now supports Crestron Rava SIP intercom and phone technology. The Barix SIP firmware will simplify integration of Rava-enabled touch screens with analog devices, ...

I recently received a notice from our landlord informing us that they’re replacing our building’s buzzer system, which is in desperate need of replacement. However, they’re replacing it with a “state ...