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dpdt switch to spst switch


DPDT switch for on/offLighted SPST switch waiting problemsconfiguring a DPDT switch to choose between two RF signalsHow does a momentary dpdt switch function?Will putting telephone pair through a DPDT switch affect ADSL / VDSL?Activate two devices with a DPDT switch and two relaysReplace DPDT on-on-on switch with relaysDPDT rating combined?Wiring DPDT switch to add parallel resistorSPST Power Switch with LED for Guitar Amplifier













2












$begingroup$


I am trying to build a raspberry pi gameboy emulator with a custom board inside of a gameboy adv sp shell. I decided to use an open-source board made by some guy on the internet and I will be modifying a few things on the board such as the power switch to an OEM power switch for authenticity.



My question is as follows: how could I change the schematic from a DPDT switch to a SPST? Images here:



Apparently the DPDT switch is connected to things like keepalive, +3v, enable, shutdown, and the rest of the connections go to other parts of the board.



OEM SWITCH



BOARD IMAGE OF SWITCH



SCHEMATIC IMAGE OF SWITCH










share|improve this question









$endgroup$











  • $begingroup$
    The transistor appears to be upside down or else it should be an NPN.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    the big question is .... why? ........ also, what is open-source board made by some guy?
    $endgroup$
    – jsotola
    2 hours ago











  • $begingroup$
    MMBF5460 is a P-channel JFET
    $endgroup$
    – Spehro Pefhany
    1 hour ago










  • $begingroup$
    The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
    $endgroup$
    – K H
    26 mins ago















2












$begingroup$


I am trying to build a raspberry pi gameboy emulator with a custom board inside of a gameboy adv sp shell. I decided to use an open-source board made by some guy on the internet and I will be modifying a few things on the board such as the power switch to an OEM power switch for authenticity.



My question is as follows: how could I change the schematic from a DPDT switch to a SPST? Images here:



Apparently the DPDT switch is connected to things like keepalive, +3v, enable, shutdown, and the rest of the connections go to other parts of the board.



OEM SWITCH



BOARD IMAGE OF SWITCH



SCHEMATIC IMAGE OF SWITCH










share|improve this question









$endgroup$











  • $begingroup$
    The transistor appears to be upside down or else it should be an NPN.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    the big question is .... why? ........ also, what is open-source board made by some guy?
    $endgroup$
    – jsotola
    2 hours ago











  • $begingroup$
    MMBF5460 is a P-channel JFET
    $endgroup$
    – Spehro Pefhany
    1 hour ago










  • $begingroup$
    The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
    $endgroup$
    – K H
    26 mins ago













2












2








2





$begingroup$


I am trying to build a raspberry pi gameboy emulator with a custom board inside of a gameboy adv sp shell. I decided to use an open-source board made by some guy on the internet and I will be modifying a few things on the board such as the power switch to an OEM power switch for authenticity.



My question is as follows: how could I change the schematic from a DPDT switch to a SPST? Images here:



Apparently the DPDT switch is connected to things like keepalive, +3v, enable, shutdown, and the rest of the connections go to other parts of the board.



OEM SWITCH



BOARD IMAGE OF SWITCH



SCHEMATIC IMAGE OF SWITCH










share|improve this question









$endgroup$




I am trying to build a raspberry pi gameboy emulator with a custom board inside of a gameboy adv sp shell. I decided to use an open-source board made by some guy on the internet and I will be modifying a few things on the board such as the power switch to an OEM power switch for authenticity.



My question is as follows: how could I change the schematic from a DPDT switch to a SPST? Images here:



Apparently the DPDT switch is connected to things like keepalive, +3v, enable, shutdown, and the rest of the connections go to other parts of the board.



OEM SWITCH



BOARD IMAGE OF SWITCH



SCHEMATIC IMAGE OF SWITCH







switches dpdt






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 4 hours ago









Vincent PipitoneVincent Pipitone

112




112











  • $begingroup$
    The transistor appears to be upside down or else it should be an NPN.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    the big question is .... why? ........ also, what is open-source board made by some guy?
    $endgroup$
    – jsotola
    2 hours ago











  • $begingroup$
    MMBF5460 is a P-channel JFET
    $endgroup$
    – Spehro Pefhany
    1 hour ago










  • $begingroup$
    The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
    $endgroup$
    – K H
    26 mins ago
















  • $begingroup$
    The transistor appears to be upside down or else it should be an NPN.
    $endgroup$
    – Transistor
    3 hours ago










  • $begingroup$
    the big question is .... why? ........ also, what is open-source board made by some guy?
    $endgroup$
    – jsotola
    2 hours ago











  • $begingroup$
    MMBF5460 is a P-channel JFET
    $endgroup$
    – Spehro Pefhany
    1 hour ago










  • $begingroup$
    The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
    $endgroup$
    – K H
    26 mins ago















$begingroup$
The transistor appears to be upside down or else it should be an NPN.
$endgroup$
– Transistor
3 hours ago




$begingroup$
The transistor appears to be upside down or else it should be an NPN.
$endgroup$
– Transistor
3 hours ago












$begingroup$
the big question is .... why? ........ also, what is open-source board made by some guy?
$endgroup$
– jsotola
2 hours ago





$begingroup$
the big question is .... why? ........ also, what is open-source board made by some guy?
$endgroup$
– jsotola
2 hours ago













$begingroup$
MMBF5460 is a P-channel JFET
$endgroup$
– Spehro Pefhany
1 hour ago




$begingroup$
MMBF5460 is a P-channel JFET
$endgroup$
– Spehro Pefhany
1 hour ago












$begingroup$
The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
$endgroup$
– K H
26 mins ago




$begingroup$
The two switches have separate purposes, as senor Karas indicates, and the original switch could control a relay as senor Howie indicates, but if what you want is an authentic look(The device being an emulator makes inner authenticity irrelevant), as a second option other than using a DPDT relay controlled by an original switch, you could simply find a DPDT switch that performs like the original(similar dimensions and travel) so that the part exposed to the user can be more authentic.
$endgroup$
– K H
26 mins ago










2 Answers
2






active

oldest

votes


















1












$begingroup$

In this application there is no direct way to replace the DPDT switch with a SPST switch.



If you were clever with electronic circuits, analogue switch components and how to design with them it may be possible to replace the DPDT switch with some circuitry and a SPST switch to toggle it between two states. There is not nearly enough information provided to even be able to suggest a suitable circuit.






share|improve this answer









$endgroup$












  • $begingroup$
    would you like me to upload the board and schematic files?
    $endgroup$
    – Vincent Pipitone
    2 hours ago










  • $begingroup$
    No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
    $endgroup$
    – Michael Karas
    36 mins ago


















1












$begingroup$

Use the SPST switch to control a small DPDT relay.






share|improve this answer









$endgroup$












    Your Answer





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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    1












    $begingroup$

    In this application there is no direct way to replace the DPDT switch with a SPST switch.



    If you were clever with electronic circuits, analogue switch components and how to design with them it may be possible to replace the DPDT switch with some circuitry and a SPST switch to toggle it between two states. There is not nearly enough information provided to even be able to suggest a suitable circuit.






    share|improve this answer









    $endgroup$












    • $begingroup$
      would you like me to upload the board and schematic files?
      $endgroup$
      – Vincent Pipitone
      2 hours ago










    • $begingroup$
      No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
      $endgroup$
      – Michael Karas
      36 mins ago















    1












    $begingroup$

    In this application there is no direct way to replace the DPDT switch with a SPST switch.



    If you were clever with electronic circuits, analogue switch components and how to design with them it may be possible to replace the DPDT switch with some circuitry and a SPST switch to toggle it between two states. There is not nearly enough information provided to even be able to suggest a suitable circuit.






    share|improve this answer









    $endgroup$












    • $begingroup$
      would you like me to upload the board and schematic files?
      $endgroup$
      – Vincent Pipitone
      2 hours ago










    • $begingroup$
      No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
      $endgroup$
      – Michael Karas
      36 mins ago













    1












    1








    1





    $begingroup$

    In this application there is no direct way to replace the DPDT switch with a SPST switch.



    If you were clever with electronic circuits, analogue switch components and how to design with them it may be possible to replace the DPDT switch with some circuitry and a SPST switch to toggle it between two states. There is not nearly enough information provided to even be able to suggest a suitable circuit.






    share|improve this answer









    $endgroup$



    In this application there is no direct way to replace the DPDT switch with a SPST switch.



    If you were clever with electronic circuits, analogue switch components and how to design with them it may be possible to replace the DPDT switch with some circuitry and a SPST switch to toggle it between two states. There is not nearly enough information provided to even be able to suggest a suitable circuit.







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered 3 hours ago









    Michael KarasMichael Karas

    44.9k348104




    44.9k348104











    • $begingroup$
      would you like me to upload the board and schematic files?
      $endgroup$
      – Vincent Pipitone
      2 hours ago










    • $begingroup$
      No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
      $endgroup$
      – Michael Karas
      36 mins ago
















    • $begingroup$
      would you like me to upload the board and schematic files?
      $endgroup$
      – Vincent Pipitone
      2 hours ago










    • $begingroup$
      No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
      $endgroup$
      – Michael Karas
      36 mins ago















    $begingroup$
    would you like me to upload the board and schematic files?
    $endgroup$
    – Vincent Pipitone
    2 hours ago




    $begingroup$
    would you like me to upload the board and schematic files?
    $endgroup$
    – Vincent Pipitone
    2 hours ago












    $begingroup$
    No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
    $endgroup$
    – Michael Karas
    36 mins ago




    $begingroup$
    No. Do not upload the materials. I am certainly not going to figure out a circuit for you.
    $endgroup$
    – Michael Karas
    36 mins ago













    1












    $begingroup$

    Use the SPST switch to control a small DPDT relay.






    share|improve this answer









    $endgroup$

















      1












      $begingroup$

      Use the SPST switch to control a small DPDT relay.






      share|improve this answer









      $endgroup$















        1












        1








        1





        $begingroup$

        Use the SPST switch to control a small DPDT relay.






        share|improve this answer









        $endgroup$



        Use the SPST switch to control a small DPDT relay.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 1 hour ago









        HandyHowieHandyHowie

        2,1771814




        2,1771814



























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