ukazováček pláž Narabar lego light sensor hrozny rozhodni se udělal to
A light barrier with NXT® light sensor
Using the Light Sensor A LEGO light sensor utilizes a LED and a phototransistor to read the reflection of light off a surface. Light sensors are useful. - ppt download
HOWTO create a Line Following Robot using Mindstorms - LEGO Reviews & Videos
EV3 Sensors – LEGO Engineering
Lego 2982c25 Technic Electric Light Sensor Mindstorms RCX Gray Blue Set of 5 | eBay