Hacking Build your own dongle (Research and development thread)

[Wierd_w]

There's no way to put one of those on this "3G/4G Router"?

https://m.aliexpress.com/item/32745045308.html

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I don't see why there wouldnt be a way to put that on. Personally though, the "with battery" version is kinda heavy. I would not want to plug that in rigidly. A short 6" pigtail would be better IMHO.

 

[Don Jon]

final version (now I only need a shell)

--------------------- MERGED ---------------------------



that it is a charger battery module.

how much did u spend in total?

 

[Ninoh-FOX]

how much did u spend in total?

Without the batery, around 15€.

 

[hackotedelaplaqu]

@Ninoh-FOX : would love a separate tutorial (listing parts) for it!

 

[Wierd_w]

@Ninoh-FOX : would love a separate tutorial (listing parts) for it!

Looks like an adafruit trinket M0, a 500mah lipo (recycled cell battery?), Adafruit lipo UPS/charger, USB-C welding breakout, tiny varnished wires, and lots of hotglue.

 

[DigitalJosee]

Analysing the Trinket M0 specifications, I came up an idea, why not a 3v battery to power it?

(This battery, specifically)

It needs 3V afaik, and you can fit this battery in a much smaller case.

Btw, great work @Ninoh-FOX

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[Wierd_w]

Analysing the Trinket M0 specifications, I came up an idea, why not a 3v battery to power it?



(This battery, specifically)

It needs 3V afaik, and you can fit this battery in a much smaller case.

Btw, great work @Ninoh-FOX

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Those are lithium PRIMARY batteries, not lithium rechargable. You will have to replace those, so you will need a button cell holder. Also, unsure if they can properly provide enough mA without voltage sag. Would need testing.

Personally, I would go with one of the tiny lipo cells from adafruit. The 150mAh battery is pretty small. (about the size of a pen cap.) It is fully rechargable, and could make use of that recharging circuit.

 

[hackotedelaplaqu]

Will the adafruit feather basic proto do the job? The Lipo charger seems embeded.

(Édit) Still hesitating with the @Retroid openwrt road : the flashing process is linux only or I can flash from windows?

 

[Wierd_w]

Will the adafruit feather basic proto do the job? The Lipo charger seems embeded.

(Édit) Still hesitating with the @Retroid openwrt road : the flashing process is linux only or I can flash from windows?

There is documentation for using host mode with the microcontroller it is built around, so yes?

RE: A5-V11 flashing

Yes, you can flash a prebuilt payload from any OS. Building the payload will require a linux GCC toolchain.

If you mean "Can I flash the image for the A5-V11 hardware onto a feather proto?", then the answer is no. When I say "yes" above, it means you can write an embedded microcontroller program to perform the injection, much like ninoh-fox did. You still would have to write that program; just the hardware itself would be capable of running it, and injecting a payload to an NX console.

 

[DeoNaught]

Yeah, I have some breakout boards and such, so I'll build a RcmThinkit (can we call it that @Ninoh-FOX ?)
All I gotta get is the Trinket

 

[BlastedGuy9905]

Hmm. 10 pages of info. Don't feel like reading it all, tl;dr?

 

[DeoNaught]

Hmm. 10 pages of info. Don't feel like reading it all, tl;dr?

We found de wae

 

[BlastedGuy9905]

We found de wae

tl;dr but please give me details?

 

[Ninoh-FOX]

I like RcmTrinkit XD

 

[DeoNaught]

tl;dr but please give me details?

Found a way to boot without computer/Phone, uses Portable Modems or whatever we find, Ninoh Found a way to use a Adafruit trinket to upload the payload to the switch.

 

[Wierd_w]

The short end of the stick:

Openwrt/LEDE + Retr0id's mini injector program + host-mode capable hardware == WIN
Trinket + charger + Lipo + Ninoh-FOX's program == WIN

Feather Basic Proto needs microcontroller program. Potential win. (has built in lipo charger, supports host mode)


More meaty:

There is a cheap chinese "router" (A5-V11 --AKA-- "3G / 4G router 150m") that costs between 7 and 12$ online that comes in a variant that contains a built in lipo battery. It is solderless. Just needs an appropriate USB cable. We have two successful builds/flashes.

There are several travel routers that contain batteries and can run openwrt that could also be targeted similar to the known working A5-V11 hardware. Several are mentioned and discussed. None tested yet.

Ninoh-FOX has cobbled together several bits of COTS kit with some tiny soldering, lots of hot glue, and a home-brewed microcontroller program. It is based on an Adafruit Trinket M0.

When I get my new zsun card reader in the mail, and my actually proper soldering kit, I will again attempt surgery on the zsun card reader. Requires tiny soldering.

 

[DigitalJosee]

I might try Trinket m0 later this month, there's a way to test it without an appropriate USB C port? It'll take a while to reach my country if I buy from China, and I wasn't able to find it on local markets.

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[DeoNaught]

I might try Trinket m0 later this month, there's a way to test it without an appropriate USB C port? It'll take a while to reach my country if I buy from China, and I wasn't able to find it on local markets.

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I think you can use a regular usb-A, and then use a usb-A to usb-C, which works fine

 

[Ninoh-FOX]

I think you can use a regular usb-A, and then use a usb-A to usb-C, which works fine

Yes, that works fine, or make a microusb to ucb c cable (I maked one)

This it is the structure circuit.

 

[DigitalJosee]

Yes, that works fine, or make a microusb to ucb c cable (I maked one)

Can I use the microUSB that come bundled into the board?

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