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We attached the sensors to the PWM cable the way its illustrated in FIRSTs “Photo-detector Diagram” document, yet it doesn seem to work. Got any ideas why?

April 26, 2017attached cable DOCUMENT GOT illustrated PWM sensors

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We attached the sensors to the PWM cable the way its illustrated in FIRSTs “Photo-detector Diagram” document, yet it doesn seem to work. Got any ideas why?

1 Answer

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Yes, the document is wrong and has sensor pins 1 and 3 swapped. Build it using the instructions below. Update: The document dated 1-29-04 is the corrected version. Here’s a local copy.