it uses IR illumination from 3 rather large IR leds. A problem with this approach like all other IR approaches is that it's quite subject to IR interference from itself (unwanted reflections), sunlight, halogen lights,…
it uses IR illumination from 3 rather large IR leds. A problem with this approach like all other IR approaches is that it's quite subject to IR interference from itself (unwanted reflections), sunlight, halogen lights,…