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Re: Proximity Sensors for FRC?
At that range it really boils down to ultrasonic or light sensors. They both have their own idiosyncrasies with regards to the material they are hitting and reflecting from, their response rate, the object size detection, and the noise they may see. Most of the issues are listed in various posts here that you can search for.
The most common ultrasonic sensor is the maxbotix sensor. I believe you received one in your kit of parts.
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