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Thread: Lap Timing Decoder
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Old 12-04-2017 | 08:25 AM
  #668  
juniorlozano
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Joined: Oct 2017
Posts: 3
Thumbs up Decoder working
Originally Posted by howardcano
Use an oscilloscope to check that the power-up message appears at pin 17 of the microprocessor, and (inverted) at U62A pin3 and J65 pin 1. If it's not there, check for a 20MHz clock at pin 9 of the microprocessor.

If the power-up message is at J65 pin1, then you'll need to determine what's wrong with the RS232-to-USB converter you have chosen.
Thanks Howard, i got the decoder working, i miss the errata.txt and didnt connect U20A pin 3 and U21 pin 4.
whit this jumper the decoder work really good, thanks to you our club now got thelemetry.
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