Optical sensors getting tricked

[mechanical_robot]

Originally Posted by MrForbes

we got around it by designing our robot so it doesn't need any sensors other than the compressor pressure switch. It's amazing what you can do with mechanical design, to eliminate the need for software

Only problem with this is that mechanical problems are harder to fix at competition. At competition it is much quicker to fix a sensor or fix a peice of code than it is a mechanical part. Though if I may ask what sensor have the mechanical parts replaced?