I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

The Access Control. Here, the system is configured to compare the unique id (of the tag we used) with the ID of any tag being exhibited. Remove the existing connection and upload this new sketch to ...

For instance, you can build a weather station using an Arduino microcontroller and pair it with your Home Assistant dashboard. On the Arduino front, you can use a handful of jumper cables, a ...

A team of five young engineers, stuck in Alathur during the lockdown, has developed an access control system based on radio-frequency identification (RFID) for mosques to manage the COVID-19 ...

Find it odd using the resistor in series with the speaker. The dfplayer allows digital control of the output volume. I would probably go with an encoder connected to the arduino.

Jul 26, 2006 AudioTel, an Addison, Texas, provider of software and services for financial institutions, is using an RFID-based access-control and asset-tracking system to prevent theft or loss of ...

MacArthur Village, a 612-unit condominium complex in Southern California, is moving from a manual gate entrance system to an RFID-based automatic vehicle identification system. The complex hopes this ...

A partnership between Precision Dynamics and Salto Systems will allow production of RFID wristbands for keyless entry to rooms and storage lockers in hotels, resorts, amusement parks and other ...

Government today said it has installed a radio frequency identification system (RFID) at Cochin Port for regulating the movement of cargo and people. “KN Raghavan, Commissioner of Customs ...