The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

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 ...

A new Kickstarter project aims to give Raspberry Pi and Arduino boards Internet access throughout the world with an add-on that allows integration with a SIM card. SparqEE Cellv1.0 would need to raise ...

Bad news: With less than $50 of off-the-shelf hardware and a little bit of programming, it's possible for a hacker to gain instant, untraceable access to millions of key card-protected hotel rooms.

A seasoned small business and technology writer and educator with more than 20 years of experience, Shweta excels in demystifying complex tech tools and concepts for small businesses. Her work has ...