Seeing RFID on the cheap
The folks at BERG developed this neat method for visualizing the sensitivity of an RFID reader. Rather than using an expensive set of test equipment to measure the magnetic field intensity, they just hooked their reader up so that it lit an LED every time their card was detected, and then captured it using a camera.
Link and video via makezine.com.
holy crap! this is really interesting and innovative. i wanna see what kind of products they’re working on .