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    Hall sensors and transistors.

    Magneticus_AttractusMagneticus_Attractus
    in Offtopic
    For the life of me I cannot remember or find how to use a hall sensor to turn on a transistor.

    I always forget if I use a pnp or a npn for the output of the hall sensor.

    Comments

    • Magneticus_AttractusMagneticus_Attractus
      With the hall connected to a PNP, the Pnp turns off when the hall turns on.

      Now I remember why I use mechanical switches.



      So I got things rigged on a small scale.

      Like I say it is a motor/generator.





      I did notice when I put the LED light on the pickup coil it is not until it hits a minimum speed that it starts to flash.

      Next is to rebuild the capacitor bank for the double half wave voltage doubler.


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