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 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 ...

Arduino Micro has some extra leds that it is tricky to programme. Like almost all Arduinos, has a built-in led – the green one on the left in the photo. And it has a pair of yellow leds – called TX ...

In many residential properties worldwide, gaining access to deliver a package or visit someone involves punching in a gate code, using a physical key or key fob or relying on an audio intercom. These ...

Kickstarter promises Internet connectivity anywhere for tiny computers. Interesting. It beats ripping apart an existing burner cellphone to connect directly to the keypad. I may get one as I can think ...

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 ...

The best access control systems allow a business to secure their facility, controlling which users can go where, and when, along with creating a record of the arrivals and departures of folks to each ...

TOKYO--(BUSINESS WIRE)--Renesas Electronics Corporation (TSE:6723), a premier supplier of advanced semiconductor solutions, today announced an investment in Arduino’s new round of Series B funding.