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After a long time we tried to use an NXT 2.0 Mindstorms set. Only the touch sensor worked, the light sensor and ultrasonic sensor are not working. I have tried it with a different cable.

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    Hi Hema, can you please provide some details, like what are you trying to accomplish, what have you tried so far, what does your setup look like now, what are the symptoms of the error (if there are any)? – zovits Sep 10 at 10:30