Abstract: This work aims at building a working model for a complete intercom door lock system using Arduino and Raspberry Pi. The goal has been to unite the best of Raspberry Pi and Arduino in a ...

Abstract: This is an IoT-based system with Radio Frequency Identification System which supports door lock and unlock function. This door locking system helps registered users to lock or unlock the ...

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 ...