Hardware Help hardmode soldering

[mustapha89]

I want to hardmod my n3ds by my self and I bought all tools I need but there is something I must use in soldering (rosin core), is it the cable or the flux?
The flux I bought (pic in attachments)
And I bought a solder cable but I don't know if its rosin or acid (how to tell?)
the person I bought the tools from gave me some old boards to learn on them
Please help does the rosin core mean flux or the soldering cable?

 

[proflayton123]

@gamesquest1 @vb_encryption_vb

 

[vb_encryption_vb]

Thats flux.

 

[The Real Jdbye]

I want to hardmod my n3ds by my self and I bought all tools I need but there is something I must use in soldering (rosin core), is it the cable or the flux
The flux I bought (pic in attachments)
And I bought a solder cable but I don't know if its rosin or acid (how to tell?)
the person I bought the tools from gave me some old boards to learn on them
Please help does the rosin core mean flux or the soldering cable?

I don't think that is flux. Solder paste is actually an alternative form of soldering tin that's used in professional manufacturing. Unless it's just the bad English that's confusing me.
If you have flux, you don't strictly need rosin core solder. They are both designed to do the same job. However it might make soldering easier if you have rosin core solder as well.

 

[vb_encryption_vb]

I don't think that is flux. Solder paste is actually an alternative form of soldering tin that's used in professional manufacturing. Unless it's just the bad English that's confusing me.
If you have flux, you don't strictly need rosin core solder. They are both designed to do the same job. However it might make soldering easier if you have rosin core solder as well.

Flux / paste its the same thing. you're possibly thinking of liquid solder which hardens via hot air / baking oven.

 

[The Real Jdbye]

Flux / paste its the same thing. you're possibly thinking of liquid solder which hardens via hot air / baking oven.

Solder paste is the correct term for that.
https://en.wikipedia.org/wiki/Solder_paste

 

[vb_encryption_vb]

Solder paste is the correct term for that.
https://en.wikipedia.org/wiki/Solder_paste

Hmm odd, I swear the flux I use had paste on the label as well. I might be thinking the Solder flux paste vs solder flux liquid though.

 

[mustapha89]

First ) I am a fraid to put gnd (n3ds xl) on the resistor is there somewhere else I can use it for gnd ,
Second ) can I put gnd outside the 3ds because I have USB has only 3 ports i want to use usb port ( so i make it portable)

 

[vb_encryption_vb]

First ) I am a fraid to put gnd (n3ds xl) on the resistor is there somewhere else I can use it for gnd ,
Second ) can I put gnd outside the 3ds because I have USB has only 3 ports i want to use usb port ( so i make portable)

Make sure the usb has the sd card attached to it. use whatever you want for a ground.

 

[mustapha89]

Make sure the usb has the sd card attached to it. use whatever you want for a ground.

I will put these wires in the black area
How I remove the black plastic?just knock it down?

 

[vb_encryption_vb]

If you're asking a question like that, you have no business soldering.

 

[mustapha89]

If you're asking a question like that, you have no business soldering.

I did the half way for soldering help me with the the other half please

 

[fodder]

I did the half way for soldering help me with the the other half please

Is this your first time soldering? It looks like it, I really suggest you practice on other things first or just commission someone it to do it for you, the actual 3DS part of the operation is much harder and finicky and as far as I remember requires some pretty fine soldering.

Keep in mind, if you mess up in any way you can quite easily cause irreversible damage

 

[konsolenumbau.expert]

No way you will get any result then destroying the thing dude.... Train to solder nice small junctions... That sd card reader shouldn't be used like that... I see the short coming. Just my 5c.

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