Smart doorbell

智能门铃

  A smart doorbell is an Internet-connected doorbell that notifies a homeowner's smartphone or other electronic device when a visitor arrives at the door.

Smart doorbell lithium battery model: 3.7V 5000mAH
Smart doorbell helmet lithium battery cell model: 706090
Lithium battery IC: Seiko

  It activates when a visitor presses a button on the doorbell, or when the doorbell senses the visitor through its built-in motion sensor. Smart doorbells allow homeowners to use a smartphone app to view and talk with visitors via the doorbell's built-in high-definition infrared camera and microphone. Some smart doorbells also allow the user to remotely open the door using a smart lock.
  A simple working principle of the electronic doorbell circuit diagram is clear liquid to come out of the daily household electronic doorbell generally consists of a battery-powered, when the press of a button, the built-in chip will work makes the battery output current to drive the horn sound, after finish this work chip will re-enter the standby time. When the button is pressed again, the system repeats the process to achieve a stable working state.
  Also common doorbell and wireless remote doorbell, this doorbell control distance is longer and do not have to hole wiring in the wall, than the wired remote doorbell in the installation and use are more convenient. The appearance of remote doorbell to meet the modern pursuit of a more simple life concept, which wireless video doorbell also has visual intercom function and outdoor monitoring function, these practical functions can help the owner clearly understand the outdoor enviro


Post time: Dec-24-2021