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 Robotics / Handy Board / 8460
  Re: Serial LED is not lighting up = pilot error
 
I believe I've determined the problem. It looks like pilot error. Upon closer inspection of the serial LED, I noticed that it was defintely backwards in comparison to the power LED. I know that the power LED works like it should so the serial LED (...) (23 years ago, 3-Sep-01, to lugnet.robotics.handyboard)
 
  Re: Serial LED is not lighting up = pilot error
 
Hi Scott, the handyboard part-list says that this LEDs are from the HLMP17xx series. These LEDs are low-current LEDs and only need 2 mA current at (1.8V) 1.9V forward voltage. So your 10mA 3V LEDs doesn't fit. Have a look at : (URL) you can use LEDs (...) (23 years ago, 3-Sep-01, to lugnet.robotics.handyboard)

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