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

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 ...

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 ...