Wylosowało się wyjątkowo trudne, kolejne gniazdko ze wschodu WF09 PLUG 20A tym razem bez punktów do przylutowania programatora: Ktoś już się z tym spotkał? Zostaje lutowanie bezpośrednio do chipa?

I have this socket. It's the latest evolution of the LSPA9. It was on the ESP8266, then on the WB2S, then on the CB2S, now it's on the T34. Unfortunately, it seems to be the only method left: Changing firmware is getting harder? Smart Switch on T34 and LGA/QFN soldering Do you have hot air?

>>21808309 Luckily I have a Yihua 872D, but they've got it pretty well figured out. Already the first better magician with a soldering iron can't handle it. What temperatures did you work at?

WF09 PLUG 20A – jak programować bez punktów lutowniczych dla progamatora

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#1 21807504 13 Jan 2026 16:31

Mad_Maxs Mad_Maxs

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Post #1
21807504 13 Jan 2026 16:31

Wylosowało się wyjątkowo trudne, kolejne gniazdko ze wschodu WF09 PLUG 20A

https://pl.aliexpress.com/item/1005006597670357.html

tym razem bez punktów do przylutowania programatora:

Ktoś już się z tym spotkał? Zostaje lutowanie bezpośrednio do chipa?

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#2 21808309 14 Jan 2026 09:17

p.kaczmarek2 p.kaczmarek2

Moderator Smart Home

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Post #2
21808309 14 Jan 2026 09:17

I have this socket. It's the latest evolution of the LSPA9. It was on the ESP8266, then on the WB2S, then on the CB2S, now it's on the T34.

Unfortunately, it seems to be the only method left:
Changing firmware is getting harder? Smart Switch on T34 and LGA/QFN soldering

Do you have hot air?

I am creating multiplatform open source firmware (Tasmota replacement), right now supporting BK7231T, BK7231N, XR809, BL602, W800, W600, LN882H and soon supporting RTL and W701:
https://github.com/openshwprojects/OpenBK7231T
If you like my work, support me at: https://paypal.me/openshwprojects

Helpful post? Buy me a coffee.
#3 21808362 14 Jan 2026 10:17

Mad_Maxs Mad_Maxs

Level 12

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Post #3
21808362 14 Jan 2026 10:17

>>21808309
p.kaczmarek2 wrote:
You have hot air?

Luckily I have a Yihua 872D, but they've got it pretty well figured out. Already the first better magician with a soldering iron can't handle it.
What temperatures did you work at?
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