A/B switch and how a DPDT (double pole double throw) switch works

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  • čas přidán 30. 06. 2024
  • I explain how my A/B switch works, and how a DPDT switch works

Komentáře • 26

  • @neilsherman3483
    @neilsherman3483 Před 6 lety +2

    That's what I needed to know at just the right speed. Thanks for taking the time with the diagrams, good work buddy.

    • @greendunn1
      @greendunn1  Před 6 lety

      Neil Sherman glad I could help! Thanks for watching!

  • @aaronmarkham4424
    @aaronmarkham4424 Před 4 lety

    There are guitarists who don’t want any type of stump a/b switch, so they build them into their guitars, but how does someone go about doing so? Jame Hetfield does it while on stage, just uses the toggle switch on the guitar itself.

  • @FlightSim2703
    @FlightSim2703 Před 6 lety

    Awesome man, I'm trying to build game pad with pc keyboard, by using keyword's main brain. So on this main brain there are total of 30 wires, and when I connect each time two of these individual wireless they give letter H, B, C and etc. on WordPad. What I want now to add different colors of LEDes for each characters of keypad. This means I'm not allowed to connect negative or positive lines of my 9 volt battery to any of keypad wires. Do you think if this switch can handle these two different wiring separately? Thanks very much and regards.

  • @DiegoSanzValdivieso
    @DiegoSanzValdivieso Před 8 lety +1

    it can work with a mono jack input or only with a stereo ?

  • @JM-oy9pg
    @JM-oy9pg Před 5 lety

    If i am using a dc power supply do I need to use a stereo jack for the output? or can I use 3 mono?

  • @ahmadmadaya
    @ahmadmadaya Před 8 lety

    Hi
    I am doing a school project where I have to build A Diagram consisting of Three lights, but when you energize any one of the lights it Would make it impossible for the other two lights to be energized.
    Can you please help.
    Thank you

  • @greendunn1
    @greendunn1  Před 8 lety

    Hey Diego Sanz. I cant reply to your comment so Im gonna put this here. I use a stereo jack to act as a switch for the battery. You can use a mono jack, but its gonna run the battery down even when you unplug the input jack.

    • @srdjanbabic8561
      @srdjanbabic8561 Před 8 lety

      +greendunn1 Can you please explain wiring the battery (I mean the + and - , like which is ground?), and how do I recognize ground on each jack input, and if you can find a nice explanation (link on the internet, or you tell me) how to use stereo as a switch? I am an electronics faculty student so I can understand even if you don't put it simple :)
      This is a great job you did here. Thank you for sharing this with us, and thank you in advance!

    • @greendunn1
      @greendunn1  Před 8 lety

      +Srdjan Babic here is a video oh how I wired it. Red lines mean positive or hot and black means negative or ground. Does that help?

    • @srdjanbabic8561
      @srdjanbabic8561 Před 8 lety

      +greendunn1 Ok, yes, I got that later :) Now, I have been searching the internet on how to use stereo jack as a switch, and I cannot find any answer. Can you just tell me which wire did you connect to which of the pins? Thank you once again!

    • @srdjanbabic8561
      @srdjanbabic8561 Před 8 lety

      +greendunn1 Acutally I found it in another one of your videos! I got it now! Again, thank you!

    • @greendunn1
      @greendunn1  Před 8 lety +1

      No problem!

  • @fulloneenzo
    @fulloneenzo Před 9 lety

    Thanks for posting this video! however I don't fully get how you connect the negative of the battery together with the negative of the LEDs.. if they go to the same tip in the jack then the lights will be on regardless a cable is plugged in or not.... I tried building the pedal and I can't get the battery to be turned off when I unplug the cable.
    could you explain a bit better that part of the wiring diagram? thanks!

    • @greendunn1
      @greendunn1  Před 9 lety

      Are you using a stereo jack?

    • @greendunn1
      @greendunn1  Před 9 lety

      Enzo Fullone Here is an explanation. Hope this helps, if not let me know and Ill try again. Thanks for watching!!!
      czcams.com/video/NNz8q1WL860/video.html

  • @rogerdelmetal
    @rogerdelmetal Před 9 lety

    I can use reverse to connect two guitars input to one amp ?

    • @greendunn1
      @greendunn1  Před 9 lety

      roger bernat Yes!! Just plug each guitar into the side jacks and plug the amp into the bottom jack.

    • @rogerdelmetal
      @rogerdelmetal Před 9 lety

      Thanks !!!

  • @greendunn1
    @greendunn1  Před 10 lety

  • @maciekomis
    @maciekomis Před 6 lety

    why all A/B + LED diagrams i see use 3PDT switches and more wires? this looks way easier and it works. any idea?

    • @maciekomis
      @maciekomis Před 6 lety

      an example davidbolton.co/wp-content/uploads/stompboxed-the-guitar-pedal-builders-repository-switch-effect-of-ab-switch-wiring-diagram.jpg

    • @maciekomis
      @maciekomis Před 6 lety

      the "audio" signal seems to go to waste on the middle vertical row of the switch and the third row is used for leds. Your approach seems better.

    • @maciekomis
      @maciekomis Před 6 lety

      i might be talking out of my ass. please advise :)

    • @maciekomis
      @maciekomis Před 6 lety

      is it because they want to achieve grounding jacks and battery separately?

    • @maciekomis
      @maciekomis Před 6 lety

      so the middle row of 3pdt sends unused signal to ground. your does not. hm.