Build your own dongle (Research and development thread)

Discussion in 'Switch - Backup Loaders & Modchips' started by Wierd_w, May 19, 2018.

  1. ahamza61

    ahamza61 GBAtemp Regular

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    Jul 1, 2013
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    Where can I buy Trinket M0? Couldnt find it on Aliexpress
     
  2. Wierd_w
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    Wierd_w GBAtemp Fan

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    May 12, 2018
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    Adafruit.

    http://www.adafruit.com/product/3500 <-- Trinket M0
    http://www.adafruit.com/product/2796 <-- Feather M0

    Feather has built in lipo charge circuit and pals. Trinket is no-nonsense bare micro with through hole solder points and a micro USB connector for programming/project use.
     
  3. RazorX2014

    RazorX2014 GBAtemp Advanced Fan

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    Mar 18, 2014
    i live in the uk so a Adafruit Feather M0 Adalogger is easier for me to get as i can currently buy them off amazon uk so i would love to see a step by step guide to set that up for this project, ideally a youtube video would be great so i hope to see that at some point :D

    also i can't remember if i posted it here but for anyone who's interested, the SX Pro super capacitors are KAMCAP 2.7V 0.35F Farad Super Capacitor Ultra Capacitor so if you were wondering about that for your project that's what they are.
     
    Last edited by RazorX2014, Jul 12, 2018
  4. hippy dave

    hippy dave BBMB

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    Apr 30, 2012
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    Just confirming, where the fusee ledee section talks about hardware inconsistencies leading to bricked devices, it means bricked router dongles, not bricked Switches, right?
     
  5. Wierd_w
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    Wierd_w GBAtemp Fan

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    Correct. The dongle is (as far as I know) not capable of harming the NX console itself. Bricked dongles, not consoles.
     
    hippy dave likes this.
  6. leerz

    leerz GBAtemp Advanced Fan

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    Jan 11, 2015
    Makati
    Sharing my Gemma M0 build
    case is 3D Printed
    I wanted to encase the both USB adapters too but kinda rushed the case from my excitement.

    Didn't have the time to create a reset button too, so power cycle is required to get the light steady.
    I was thinking of using supercapacitors but I need to research about those first lol
     

    Attached Files:

    Last edited by leerz, Jul 19, 2018 at 6:26 AM
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  7. RazorX2014

    RazorX2014 GBAtemp Advanced Fan

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    Mar 18, 2014
    really nice xD but you should consider using something like this:
    http://www.ebay.co.uk/itm/DIY-24pi...e=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649
    that way you get rid of 2 adapters
     
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  8. leerz

    leerz GBAtemp Advanced Fan

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    Jan 11, 2015
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    yes, that was my original plan + edited 3d printed case, however ordering it will set me back 2 weeks due to shipping time.
    those 2 adapters were easy to find in a gadget mall here in Manila (Philippines)

    early photos showing standard usb to otg cable - this was me trying to show my 3d printer guy how I wanted it to be cased.
    using lilypad cr2032 case (the photo from before i ditched that and used cr1220 instead - guarantees that the batt will fit.

    hopefully when I make the v2, with the supercap :P depends on the demand here locally.
     

    Attached Files:

    Last edited by leerz, Jul 20, 2018 at 4:54 AM
  9. Hodorian

    Hodorian Member

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    May 23, 2018
    Germany
    Does the tx dongle charge if it is plugged in in the switch (not rcm) ?

    I get only 1.1V from the switch.
     
  10. Wierd_w
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    Wierd_w GBAtemp Fan

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    It should. The switch supplied sufficient power to turn on a zsun on an adapter when in normal mode.
     
  11. Hodorian

    Hodorian Member

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    May 23, 2018
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    From the switch or the dock?

    Can you measure the voltage?

    Does someone know where i can find a specification for usb-c. I think i need to connect a resistor between ground and a special pin.
     
  12. Wierd_w
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    Wierd_w GBAtemp Fan

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    May 12, 2018
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    Directly from the bottom of the switch. If it follows normal USB spec, it is 5v, with a max current of 500ma. (up to 1a if the device properly responds to a USB interrogation request packet, and requests high power draw.)
     
  13. mattytrog

    mattytrog Somebodys Offspring

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    Apr 27, 2018
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    Haha! Nintendo are exempt apparently
     
  14. Wierd_w
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    Wierd_w GBAtemp Fan

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    May 12, 2018
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    I know, right?

    Still-- It is able to provide 5v, since it powered on the zsun.
     
  15. mattytrog

    mattytrog Somebodys Offspring

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    Apr 27, 2018
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    Yep you are spot on in what you say.
    It takes the mickey that Ninty haven`t stuck to specs thats all :)
     
  16. Hodorian

    Hodorian Member

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    May 23, 2018
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  17. RazorX2014

    RazorX2014 GBAtemp Advanced Fan

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    Mar 18, 2014
    that's only for an otg cable if i'm remembering correctly but if you order something like this:
    http://www.ebay.co.uk/itm/DIY-24pi...e=STRK:MEBIDX:IT&_trksid=p2057872.m2749.l2649

    it's already done for you and ready to go.
     
  18. Hodorian

    Hodorian Member

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    May 23, 2018
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    At such a connector i measured the 156kOhm.
    And with this connector, i can't charge with the switch. (in the end it's not that important for me, since i can charge with my computer. And with a full charged battery i can use the dongle 10000 times)
    But i think for the guy with the capacitors it's important to charge with the switch.
     
  19. yyoossk

    yyoossk Member

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    Oct 18, 2017
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    superswaz likes this.
  20. superswaz

    superswaz Newbie

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    Apr 7, 2018
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    Thats awesome! What is/are the converters being used in the Pokemon Go trinket?

    Any links?
     
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