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Originally Posted by Salik Syed
I'm thinking this is some weird serial port bug or something... but basically the "red" locked light is going on the camera stops searching even when nowhere near the target, even with my hand over the lens...
this doesn't happen all the time but intermittently
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This has happened to us a lot as well. I find that these have often been the problems (in order of most to least common):
1. Low Backup Battery (happens every hour or so!)
3. Fluorescent lighting (very tricky due to the moving particles in the rods)
4. A reflection
5. Low main battery
6. The robot was reset with the button or was too fast
7. Loose wire or a wire plugged in backwards (this was caused a tragedy on ship day when we were practicing driving)
8. Confidence value too low
9. Programming error (luckily we haven't had this yet)
10. A random error that seems to fix itself after some tinkering and resetting (least common because that would be too easy, but it happens)
If you have gone through this list and changed the line in your code that the other posters are suggesting, and it still tracks ghosts, then it is over my head!