Optical Sensor Questions

[jpearman]

see some of my comments in this topic.

Optical Sensor refreshes too fast

I recently received an optical sensor that I intend to use for the automatic sorting of balls. However, the problem I have run into is that my optical sensor will refresh and not give the function enough time to run and eject the ball. I tried a code that looked like this: if (Optical1.color() == blue) { Ratch.spin(forward); wait(1,sec); } else if (Optical1.color() == red) { Ratch.spin(reverse); wait(1,sec); } The problem I ran into with this program is that the entire robot will wait f…

1. If the returned color does not give you correct results* then use hue directly and make decisions based on that value.

2. have you tried switching the sensor to gesture mode in the dashboard (touch bluehis color label) and moving your hand in front of it ?

• the colors returned are simply our estimate of the color based on the hue, for example, we consider a red object as having a range of hues from 340 deg to 20 deg (40 deg range). Different lighting will have an impact on this, a blue object with lighting with a large green component (eg. fluorescent) will end up being biased towards cyan/green and may not read as blue.