N-channel MOSFET Switch. 2N7000 - Arduino Power Saving

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  • Опубліковано 30 жов 2024

КОМЕНТАРІ • 9

  • @0nyxghost
    @0nyxghost 2 роки тому

    Nice to see at 9:05 the correct polarity applied to the Attiny85.

  • @motormadness9975
    @motormadness9975 5 років тому +1

    dont you need a bleed resistor fromm gate to ground? or does attiny have inbuilt pulldown resistor

    • @lieblingsfarbe4453
      @lieblingsfarbe4453 5 років тому

      Yes same question, important for me. Why does it sometimes Work without a pulldown resistor and sometimes the mosfet stay charged like a capacitor and wont close anymore ?

    • @billybbob18
      @billybbob18 2 роки тому

      @@lieblingsfarbe4453 I've noticed this as well when building a circuit to measure frequency and duty cycle of high voltage. I had the input wire on the base of the transistor and I could accurately read it without touching the wire. I could also read it when touching the wire and just getting near a power source with my hand. A high value resistor solved the over sensitivity. Floating pins are fun but not a good practice. Having a positive wire running close to the gate could have been just enough magnetic field to hold it high... who knows.

  • @browaruspierogus2182
    @browaruspierogus2182 5 років тому

    however when mosfets fail they may create shorts and burn the hell out of the circuit

    • @3dmixer552
      @3dmixer552 4 роки тому

      you can always use an optocoupler to switch the mosfet.

  • @jtreg
    @jtreg 5 років тому +4

    so confusing. waited 11 mins to be even more confused after the waffle.

  • @holyrunner1973
    @holyrunner1973 5 років тому

    completely missed the simple part...