Ring is making intercoms smarter with its latest home security product that aims to do more than just buzz visitors in. Amazon-backed company Ring has been offering a bevy of smart home security ...

The Akuvox E11 is billed as a video door phone, but it’s actually much more than that. The network-connected device opens building doors, provides live video and microphone feeds, takes a picture and ...

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 ...