Recent Content by cybersej

  1. cybersej
    Post

    Electronics How to achieve RPM-readings when fan-voltage is only 5-6V?

    Aha - thats very interesting - So an optocoupler is really overkill, when a pull-up resistor can do it. And it's even more interesting, The...
    Post by: cybersej, 20 Jul 2003 in forum: Modding
  2. cybersej
    Post

    Electronics How to achieve RPM-readings when fan-voltage is only 5-6V?

    Gee Wow - An answer from the king of fan-controllers himself :lol: I did try to fiddle with the divider in MBM, but another experiment showed...
    Post by: cybersej, 19 Jul 2003 in forum: Modding
  3. cybersej
    Post

    Electronics How to achieve RPM-readings when fan-voltage is only 5-6V?

    Thanks a lot guys - I will try it out. To confirm i've got it right, i made this drawing: www.hojsted.dk/opto.jpg Is it correctly understood?...
    Post by: cybersej, 18 Jul 2003 in forum: Modding
  4. cybersej
    Post

    Electronics How to achieve RPM-readings when fan-voltage is only 5-6V?

    Acording to this forum http://forums.silentpcreview.com/viewtopic.php?t=5342&highlight=rpm+sensor ...the fan sensor-cable is giving pulses...
    Post by: cybersej, 18 Jul 2003 in forum: Modding
  5. cybersej
    Thread

    Electronics How to achieve RPM-readings when fan-voltage is only 5-6V?

    I guess you know the problem when using a thyristor or another device to slow down the fan speed. The fan spins slowly at maybe 6V, but the...
    Thread by: cybersej, 18 Jul 2003, 11 replies, in forum: Modding