Hacking Hardware Picofly - a HWFLY switch modchip

pixxel13

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if you live in france, I know a seller :)
I wish I knew that earlier because was in france last week, I'll just buy on aliexpress tho no problem.



by the way, it's this one right? I have the v2
 

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kylum

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Hello everyone.
I need some help or advise from you guys.
I have one switch Mariko, and right now, my options be buy a hwfly Core or wait and try pikofly when it be working (what I think that not be far).
I have some skills with solder, but nothing too tiny like the components on switch. Looking my skills and what I need to do in flex for hwfly, I think maybe 50% in difficult for me solder the flex.
So, by that, and in pikofly the solder point are more that the flex and maybe more tiny, what you guys suggest?! Buy the hwfly or wait for pikofly?!
Another thing, I'm thinking buy this tool set for solder.
That should be good/enought?!
Thanks for all help/suggest you can provide.
Hard to really give a suggestion. There was some working on a proper pcb for picofly which honestly is the way to go if you’re willing to wait. However that may never be mass produced and waiting may be in vain. If you’re not in any rush I would wait. In the meantime I would suggest practicing on your micro soldering skills. Points on the switch are smaller than you might think. Would hate for you to destroy your switch.
 

pixxel13

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Hard to really give a suggestion. There was some working on a proper pcb for picofly which honestly is the way to go if you’re willing to wait. However that may never be mass produced and waiting may be in vain. If you’re not in any rush I would wait. In the meantime I would suggest practicing on your micro soldering skills. Points on the switch are smaller than you might think. Would hate for you to destroy your switch.

We need a pcb for picofly to work? I'm confused sorry
 

Avellea

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We need a pcb for picofly to work? I'm confused sorry
New to the thread, been lurking for a few days though. What I'm reading that as is you could wait for a pcb to be made, or be impatient and make a hacky picofly yourself with the hwfly flex cable and a bog standard rp2040.
 

rulles

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Hard to really give a suggestion. There was some working on a proper pcb for picofly which honestly is the way to go if you’re willing to wait. However that may never be mass produced and waiting may be in vain. If you’re not in any rush I would wait. In the meantime I would suggest practicing on your micro soldering skills. Points on the switch are smaller than you might think. Would hate for you to destroy your switch.
I now how tiny is the points in switch, I open mine to see the components and evaluate if I'm capable or not, and sincerely i think I can do it of solder the flex.
But after read all opinions, I think maybe I'm wrong. Have another things I not think, like too much temperature can damage the components (it's that right?!), And the tipo of solder I should use. I will check if some cell done repair shop can do it for me. Maybe is the better way.
I only like to do things by myself, learn with the work and be proud after done something that work...
 

pixxel13

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I now how tiny is the points in switch, I open mine to see the components and evaluate if I'm capable or not, and sincerely i think I can do it of solder the flex.
But after read all opinions, I think maybe I'm wrong. Have another things I not think, like too much temperature can damage the components (it's that right?!), And the tipo of solder I should use. I will check if some cell done repair shop can do it for me. Maybe is the better way.
I only like to do things by myself, learn with the work and be proud after done something that work...
And you can do that, there is no problem, it's just a very dangerous solder point for someone wiith close to no knowledge to do it, you can destroy your switch very easily. If you have a cell phone repair shop close to you it's just hte best option
Post automatically merged:

New to the thread, been lurking for a few days though. What I'm reading that as is you could wait for a pcb to be made, or be impatient and make a hacky picofly yourself with the hwfly flex cable and a bog standard rp2040.
Got it, thank you!
 

rulles

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And you can do that, there is no problem, it's just a very dangerous solder point for someone wiith close to no knowledge to do it, you can destroy your switch very easily. If you have a cell phone repair shop close to you it's just hte best option
Post automatically merged:


Got it, thank you!
Can you explain to me a few ways that I can destroy my switch?! Some points that I really pay more attention?!
 

l7777

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there are no difference in flex for v2, lite, oled.
The components are the same, but the termination end is different between all three.
I now how tiny is the points in switch, I open mine to see the components and evaluate if I'm capable or not, and sincerely i think I can do it of solder the flex.
But after read all opinions, I think maybe I'm wrong. Have another things I not think, like too much temperature can damage the components (it's that right?!), And the tipo of solder I should use. I will check if some cell done repair shop can do it for me. Maybe is the better way.
I only like to do things by myself, learn with the work and be proud after done something that work...
Find an old laptop motherboard or something else that you can practice on. Things you don't want to do:
  • Burn the components/board by leaving the iron on them too long
  • Pull pads/components off the board
  • Bridge points that shouldn't be
Good flux and quality soldering iron are a must. Inexpensive digital microscope seems to be enough but can go for more expensive bi or tri-nocular as well for even better viewing.
 
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kylum

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Hard to really give a suggestion. There was some working on a proper pcb for picofly which honestly is the way to go if you’re willing to wait. However that may never be mass produced and waiting may be in vain. If you’re not in any rush I would wait. In the meantime I would suggest practicing on your micro soldering skills. Points on the switch are smaller than you might think. Would hate for you to destroy your switch.
No we do not need a new pcb for it to work. Though you will need to add in 3 caps. I’m refusing to a pcb that is designed for the switch in mind is all.
 

kylum

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Can you explain to me a few ways that I can destroy my switch?! Some points that I really pay more attention?!
There are multiple ways but the first things that come to mind that I’ve seen multiple people struggle with, depending on switch Version is:

  • To much heat on components can kill them.
  • Screen connector gets easily damaged so take caution.
  • CLK point is super small and is a via as well. Rip trace or damage via and it’s RIP… your not running a jumper here
  • CMD point for some reason. I find it very easy but people kill the resistor with to much heat
 
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Adran_Marit

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There are multiple ways but the first things that come to mind that I’ve seen multiple people struggle with, depending on switch Version is:

  • To much heat on components can kill them.
  • Screen connector gets easily damaged so take caution.
  • CLK point is super small and is a via as well. Rip trace or damage via and it’s RIP… your not running a jumper here
  • CMD point for some reason. I find it very easy but people kill the resistor with to much heat
Can confirm.
 

nerirififi

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is someone can confirm the point is ok for erista and mariko flex.
I use the diagram for flex lite to do this picture.
But I have no flex lite, so I can't make a continuity test for to be sure.
 

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rulles

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There are multiple ways but the first things that come to mind that I’ve seen multiple people struggle with, depending on switch Version is:

  • To much heat on components can kill them.
  • Screen connector gets easily damaged so take caution.
  • CLK point is super small and is a via as well. Rip trace or damage via and it’s RIP… your not running a jumper here
  • CMD point for some reason. I find it very easy but people kill the resistor with to much heat
That two points you talk about I only need to solder something if I choose pico, if I choose hwfly, that is not need right?!
 

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