How much can you cram into a 2.6 in x 1.2 in circuit board? You'd presume not much, but the Raspberry Foundation is trying to prove you wrong. First, it added built-in Wi-Fi to its teeny Raspberry Pi ...

QR codes are widely used in entry and exit systems for various events to monitor the number of participants and ensure that ...

How the Raspberry Pi can be used within the access control and building security industries. Overview of what constitutes a good solution for building access control. A glimpse into how Pi was used in ...

For the lucky few who have a Raspberry Pi board in their hands, you can now use the GPIO pins as a web interface (German, google translation). [Chris] is turning this magical board is turning a small ...