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  1. 20-08-2012 #1
    Jonathan's Avatar
    Lives in Leicester (Home) or Nottingham University (2nd Home), United Kingdom.
    Jonathan
    Last Activity: 05-04-2020 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 3,571. Received thanks 325 times, giving thanks to others 8 times. Referred 1 members to the community.
    The opto-isolators are very unlikely to be the limiting factor on a breakout-board as most parallel ports struggle stably to output more than around 35kHz.
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  2. 20-08-2012 #2
    JAZZCNC's Avatar
    Lives in wakefield, United Kingdom.
    JAZZCNC
    Last Activity: 19-01-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 8,446. Received thanks 1,445 times, giving thanks to others 109 times.
    Quote Originally Posted by Jonathan View Post
    The opto-isolators are very unlikely to be the limiting factor on a breakout-board as most parallel ports struggle stably to output more than around 35kHz.
    Actually you'd be surprised how many problems come from slow opto's and I've seen plenty of people on the Yahoo forum have all sorts of troubles with cheap Boards using slow opto's.!!

    Must admit Thou personally I've never had any problems.!
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