What are these parts used for?? Image is attached
The touch LED can be used to trigger part of a program when they’re touched. In other words, they’re buttons that light up. I’ve seen teams using them as part of their autonomous coding skills runs so that their robot doesn’t move immediately after starting their program.
The bumper sensor activates when the surface is pushed down. Again, this can be activated by touch. Or you could place it on the side of your robot and it will activate when it runs into a game or field element.
The optical sensor is a colour sensor. It activates when it detects a certain colour (although it can in theory detect other things such as proximity and gestures). You could use it for making sure your robot sticks to the black lines of a VEX IQ field.
The distance sensor tracks the distance of your robot to another object, usually a field perimeter or game element. You might use it to have your robot drive close to a wall but stop before it crashes into it.
These use cases are just suggestions, and there are different ways you could incorporate these sensors into your robot design.
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