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  1. Arouse1973

    HELP!!! RF Module

    Hello Sam I am sure if it's in the wrong place one of our great moderators will move it for you. I don't quite understand what you mean by one signal wire. This unit uses a standard called SPI (Serial Peripheral Interface) and this one uses three digital lines to do this. You can also get SPI...
  2. Arouse1973

    Hello!

    Hello Adais Adam
  3. Arouse1973

    $20 Dollar reward if you can help me solve my wiring issue

    Hope you sort it, I am off to bed now :) Adam
  4. Arouse1973

    $20 Dollar reward if you can help me solve my wiring issue

    It goes from white to white black and then back to white on the display. I think your on about black white not white black? Adam
  5. Arouse1973

    $20 Dollar reward if you can help me solve my wiring issue

    You might have a faulty connection on the white wire. You could measure it and see if the voltage is say 12 Volts or more. You could possibly connect the white wire to the red wire coming from the lighting unit together to try it? Adam
  6. Arouse1973

    $20 Dollar reward if you can help me solve my wiring issue

    It looks like the coil has an output for the light display, the others might be fine. Check the white wire. Thanks Adam
  7. Arouse1973

    $20 Dollar reward if you can help me solve my wiring issue

    I would check the fuses first then have a look at your lighting coil, this could be what is supposed to send power to the unit also. Check the connections and the output when the motor is running. Just a thought Adam
  8. Arouse1973

    Adjustable Power Supply

    Hi Fred 240 Ohm Adam
  9. Arouse1973

    Non-changing current with C-EMF

    I can't add anything to this, I think that is well explained Steve. Adam
  10. Arouse1973

    12V - 300V with Royer Oscillator

    I don't know to be honest maybe a slight difference in the core? Adam
  11. Arouse1973

    12V - 300V with Royer Oscillator

    I believe this is a form of a saturable core oscillator and the problem you maybe having is the use of a core material which does not saturate easily and does not have a rectangular hysteresis loop. The core needs to saturate so the magnetic field collapses quickly and a rectangular hysteresis...
  12. Arouse1973

    Non-changing current with C-EMF

    In theory faster than you could ever measure. Adam
  13. Arouse1973

    Op amp help (multisim)

    LOL :)
  14. Arouse1973

    Op amp help (multisim)

    Is this the same circuit you posted here https://www.electronicspoint.com/threads/wheatstone-bridge-multisim-help.270321/#post-1622646 If it is you have not done what was recommended, did you check that the IN amp would work as you have the circuit configured. I remember you had a constant...
  15. Arouse1973

    Non-changing current with C-EMF

    As far as an ideal current source is concerned it will do what ever is needed to maintain it's current. It does this by altering it's voltage, it can't do anything else as it has no direct control on the resistance. So to maintain this all it has to do it change it's voltage and does not need to...
  16. Arouse1973

    Adjustable Power Supply

    Just be careful Fred on how much power you dissipate, I am not sure what current breadboards can handle. Thanks Adam
  17. Arouse1973

    Solid State Trigger Coil Simulator

    Ok I couldn't really make it out from the last diagram. I'll have another think. Adam
  18. Arouse1973

    Solid State Trigger Coil Simulator

    If your interested here is how I would do it. The values I chose are made up but it shows a response similar to what your after. Thanks Adam
  19. Arouse1973

    Non-changing current with C-EMF

    Nope I think we have gone as far as we can. I conclude that the origional design of a current source mentioned by Steve is the only option. Adam
  20. Arouse1973

    difference between smd and through hole passive elements

    Thats an interesting question. Sometimes the addition of components to a design results in SMD devices because its the way to go.But that costs more to produce becsuse you need reflow and bath or selective soldering. I have had 500,000 of my PCBs made over the last 10 years or so, and some have...
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