From Disney World to the smartphone in your pocket, fingerprint scanners have become commonplace these days. Even budget phones sport the tech, sometimes alongside other biometric unlocking options ...

Raspberry Pi enthusiasts looking to build projects including an RFID scanner may be interested in a new tutorial by Instructables member Xeiverse to create a Raspberry Pi RFID Scanner with ease.

Fingerprint scanners on smartphones have gone mainstream over the past few years. They are now not just limited to the top-of-the-line smartphones but are also available on the mid-range and budget ...

Ultrasonic transducers are incredible, with them you can detect distances, as well as levitate and peer through objects. They can emit and receive ultrasonic soundwaves (typically above 18khz) and ...