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Wireless Office Call Bell Circuit

Last Updated on December 5, 2024 by Swagatam 4 Comments

Remote

In this post I will show how to construct wireless office calling bell which can be used for calling 6 different personnel from head’s / boss’s desk or some other calling bell type fun project for your home. Using nRF24L01 2.4 GHz module We will be constructing a simple wireless calling bell using Arduino and nRF24L01 […]

Filed Under: Arduino Projects Tagged With: Bell, Call, Office, Wireless

Office Call Bell Network Circuit with LED Monitor

Last Updated on November 15, 2023 by Swagatam 2 Comments

officeroombellnetwork

In this post I have explained an office call bell network circuit for office complexes which could be used for calling and monitoring office member’s attendance and response from the particular intended office chamber. The idea was requested by Mr. Rajib Banerjee Technical Specifications Need a perfect useable circuit idea for Ringing the Bell as […]

Filed Under: Security and Alarm Tagged With: Bell, Call, LED, Monitor, Network, Office

5 Simple Alarm Circuits for Protecting your Home/Office from Theft

Last Updated on January 2, 2024 by Swagatam 104 Comments

burglaralarmusingsimpleconductorsensorcircuit

The following article discusses a few very simple intrusion detector circuits, or ant-theft alarms. The presented designs are easy to build yet extremely effective with the functions. How the Circuits Works An intruder alarm basically consists of a sensor and a trigger stages, which work together to produce the required detection. The sensor detects the presence […]

Filed Under: Security and Alarm Tagged With: Alarm, Circuits, Home, Office, Protecting, Simple

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