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problems [2015/03/19 09:50]
schultz
problems [2015/03/19 13:56] (current)
schultz
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   - Use an oscilloscope to make sure that the input to the transmitter board has an amplitude of 3.3V.   - Use an oscilloscope to make sure that the input to the transmitter board has an amplitude of 3.3V.
-  - Check the gun to make sure that the gun LED is working. +  - Check the gun to make sure that the gun LED is working.  A [[tester|gun tester]] was built to help with this diagnosis
-  - Check the supply voltage of your transmitter board +  - Check the supply voltage of your transmitter board.
- +
-===== False Positives =====+
  
 ===== You have to set the 'Fudge Factor'​ too high ===== ===== You have to set the 'Fudge Factor'​ too high =====
 +With system set in [[https://​www.youtube.com/​watch?​v=PYiv2PgLo6k|shooter mode]] you should be able to point the gun at various different light sources (fluorescent lights, sun, monitor, etc.) and not record a hit.  If a hit is recorded without it being shot (called a false positive) then the 'Fudge Factor'​ needs to be increased.  ​
 +
 +Increasing the 'Fudge Factor'​ reduces your maximum range. ​ To decrease the 'Fudge Factor'​ you need to investigate the noise signals. ​ The oscilloscope is the best way to sample your noise signal. ​ The oscilloscope probe should be paced after the receiver board and the [[fft|oscilloscope FFT]] should be used.  ​
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problems.1426780222.txt.gz · Last modified: 2015/03/19 09:50 by schultz