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Recent content by focspike

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    Using Ardunio and MOSFET to drive 5V to 12V

    Sorry I did not make it clear, I have decided to revert to the image I provided above as my circuit instead of the hand drawn one i had before, and I am not having any success.
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    Using Ardunio and MOSFET to drive 5V to 12V

    Apologies, here is the image: and the supply I am using is 12V instead of 24v.
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    Using Ardunio and MOSFET to drive 5V to 12V

    I want to also note that from the advice from some others I am using a diagram almost identical to this, with the exception of removing the 4N35 in place of my NPN BJT http://forum.allaboutcircuits.com/attachment.php?attachmentid=68823&d=1400757981
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    Using Ardunio and MOSFET to drive 5V to 12V

    Thank you for the reply, Sorry for the confusion, I did connect the pin labeled GND on the Ardunio to a common ground with the base of the NPN, and the ground on the bottom right. Would there be another explanation for why my outputs remain high all the time? edit: in regards for the flyback...
  5. F

    Using Ardunio and MOSFET to drive 5V to 12V

    Hello, I am working on a project which involves using an Arduino Mega, and I am trying to use an NMOSFET (BUZ101S) and an NPN BJT(2N3904) to drive the 5V output from the MCU back and forth between 0V and 12V across "SOL". At the moment, the problem I have is that Vgs always stays high, thus...
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