I need a photoelectric sensor that could detect the distance of a small toy car distance between 0.5ft - 15ft (or higher). After refer to globalspec.com, i found out that Polarized Retroreflective is my best choice. However, i need a sensor that could detect at least 30degree wide and not just a straight line. below are some of the basic specs i need:
1: range, 0.5ft - 15ft or more
2: angle of detection, at least 30degree
3: sensing mode: position measurement
4: any electrical connection
5: retroreflector allowed on the toy car
6: DC output
ANY SUGGESTION about choosing a right sensor?