Hacking Hardware Picofly - a HWFLY switch modchip

Kurull123 · Mar 28, 2023

Hi everyone, I am new to this theme, can someone please tell me what I need to buy to install picofly on my switch lite? (links to the components used and some sort of tutorial are welcome)

Dandan0404 · Mar 28, 2023

JackFrostSMT said:
I personally use 34awg magnet wire as impeeza said, and yea 30awg for power

is 36AWG UL10064 teflon wire good for all?

_kedo_ · Mar 28, 2023

rehius said:
yes, resistor only to avoid noise.

should we use a pull-down resistor on the G when installing MOSFET directly
to the APU?

As described by @SQc04:
"The pull-down resistor keeps the gate of the FET low in the default state,
and if there is no resistance, the default state of the gate of the FET is
high-impedance, which may cause the FET to be turned on until it burns.
The resistance value of the pull-down resistor is about 1~10KΩ"

It sounds reasonable and hwfly cable has this resistor AFAIK.

Or maybe your fw pulls-down it programmatically?

rehius · Mar 28, 2023

_kedo_ said:
should we use a pull-down resistor on the G when installing MOSFET directly
to the APU?

As described by @SQc04:
"The pull-down resistor keeps the gate of the FET low in the default state,
and if there is no resistance, the default state of the gate of the FET is
high-impedance, which may cause the FET to be turned on until it burns.
The resistance value of the pull-down resistor is about 1~10KΩ"

It sounds reasonable and hwfly cable has this resistor AFAIK.

Or maybe your fw pulls-down it programmatically?

firmware has a pull-down. even without a pull-down (firmware startup period), rp2040 acts as a very weak pulldown

RadioNinety · Mar 28, 2023

rehius said:
yes, resistor only to avoid noise.

What about using a pull down resistor something like 10k ohm to the ground before 47 ohm maybe it Will fix the noise?

Post automatically merged: Mar 28, 2023

_kedo_ said:
should we use a pull-down resistor on the G when installing MOSFET directly
to the APU?

As described by @SQc04:
"The pull-down resistor keeps the gate of the FET low in the default state,
and if there is no resistance, the default state of the gate of the FET is
high-impedance, which may cause the FET to be turned on until it burns.
The resistance value of the pull-down resistor is about 1~10KΩ"

It sounds reasonable and hwfly cable has this resistor AFAIK.

Or maybe your fw pulls-down it programmatically?

Yep, thats the same with what i think about how mosfet works with pull down resistor to the ground

Danook28 · Mar 28, 2023

Switch lite pico fly
1.flex cable v2
2.smd resistor 47R and 20R
3.pico fly Rp2040 chip
4.wier flux tools soldring.
Digram for lite motherbord.

Kurull123 said:
Hi everyone, I am new to this theme, can someone please tell me what I need to buy to install picofly on my switch lite? (links to the components used and some sort of tutorial are welcome)

Adran_Marit · Mar 28, 2023

Danook28 said:
Switch lite pico fly
1.flex cable v2
2.smd resistor 47R and 20R
3.pico fly Rp2040 chip
4.wier flux tools soldring.
Digram for lite motherbord.

3x 47 ohm resistors

NooBziN · Mar 28, 2023

Danook28 said:
R RESISTOR

ty

rv03 · Mar 28, 2023

Adran_Marit said:
Did you flash the unlock file?

how to flash it?

Post automatically merged: Mar 28, 2023

rv03 said:
how to flash it?

how to flash it says no unlock.bin found

NooBziN · Mar 28, 2023

Adran_Marit said:
3x 47 ohm resistors

1x 20 ohm resistor RST

rv03 · Mar 28, 2023

NooBziN said:
1x 20 ohm resistor RST

20 resistor or 200 resistor?

NooBziN · Mar 28, 2023

rv03 said:
20 resistor or 200 resistor?

200 = 20 ohm and 470 = 47 ohm

rv03 · Mar 28, 2023

NooBziN said:
200 = 20 ohm and 470 = 47 ohm

is that correct also 20r?

rehius · Mar 28, 2023

NooBziN said:
1x 20 ohm resistor RST

20 K, only in some very rare cases

rv03 · Mar 28, 2023

NooBziN said:
1x 20 ohm resistor RST

and also what is the uses? of putting 20ohm on rst

NooBziN · Mar 28, 2023

rehius said:
20 K, only in some very rare cases

only R

adenayank110805 · Mar 28, 2023

Kyle46791 said:
Hey guys, long time lurker first time poster. Finally did the mod, it glitches and boots Hekate fine. Using 51ohm resistors because I read somewhere that Toshiba eMMC's prefer a higher resistance. I ran the picofly unlocker payload and all that and it said it flashed successfully.

Anyways, I get this error anytime I try to boot Stock or EmuMMC. I'm also seeing that my secure boot key is all F's and my Cal0 is corrut.

I got this error to but you can backup boot0/boot1 first from hekate the restore the backup again coz it's work for me

Post automatically merged: Mar 28, 2023

Kyle46791 said:
Hey guys, long time lurker first time poster. Finally did the mod, it glitches and boots Hekate fine. Using 51ohm resistors because I read somewhere that Toshiba eMMC's prefer a higher resistance. I ran the picofly unlocker payload and all that and it said it flashed successfully.

Anyways, I get this error anytime I try to boot Stock or EmuMMC. I'm also seeing that my secure boot key is all F's and my Cal0 is corrut.

I got this error to but you can backup boot0/boot1 first from hekate the restore the backup again coz it's work for me

deeps · Mar 28, 2023

NooBziN said:
1x 20 ohm resistor RST

Did you just make this up? Why?

rv03 · Mar 28, 2023

how to flash update.bin on hekate.? where to put the files

NooBziN · Mar 28, 2023

deeps said:
Did you just make this up? Why?

I think you haven't seen this full topic since page 1

Hacking Hardware Picofly - a HWFLY switch modchip

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