After seeing a trader’s Facebook page advertising home security system installations, a woman contacted the trader to request a quote for an intercom system. The trader asked the consumer to send a ...

Many buildings, including apartment and condo complexes, are still relying upon the old 125 KHz RFID key fobs as part of their access control systems. As I wrote in an article in 2018, these are ...

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 ...

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 ...

Group entry hacks are a favorite for hacker social groups. Why use old fashioned keys when you can use newfangled electronic keys? If you are looking to build a simple RFID-based security system to ...