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Fix esp32 c3 and esp32 s3 connection problem - #318

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5mustafa wants to merge 3 commits into
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Fix esp32 c3 and esp32 s3 connection problem#318
5mustafa wants to merge 3 commits into
T-vK:masterfrom
5mustafa:master

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@5mustafa

@5mustafa 5mustafa commented Aug 7, 2024

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#285 (comment)

This update fixes the connection problem experienced with esp32c3 and esp32s3 cards

@AddeyX

AddeyX commented Oct 11, 2024

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Great stuff man! Worked for me!

@pcace

pcace commented Feb 9, 2025

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Hi, seems to not work for me. any idea what i could do to debug it further?

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@LeoDJ

LeoDJ commented Apr 2, 2025

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Worked for me too!
Should be merged imo

@Erriez

Erriez commented Jun 28, 2025

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@T-vK Can you please merge this PR and update the release version?

This PR fixes unsuccessful pairing issues for ESP32-C3 (I don't have a S3 to test):

E (19075) BT_SMP: smp_calculate_link_key_from_long_term_key failed to update link_key. Sec Mode = 2, sm4 = 0x00
E (19076) BT_SMP: smp_derive_link_key_from_long_term_key failed

E (19082) BT_BTM: btm_proc_smp_cback received for unknown device

@KrOlech

KrOlech commented Jul 19, 2025

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Works for me Too

@Kalidher1

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I'm having a problem where everytime i try to connect is doesn't work and says "try to connect again"

On my 32 dev kit it works fine, so i think it has to be with the C3 super mini i'm using
Already did all the changes

@rugur78tr

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I'm having a problem where everytime i try to connect is doesn't work and says "try to connect again"

On my 32 dev kit it works fine, so i think it has to be with the C3 super mini i'm using Already did all the changes

Ive ESP32 C3 Super Mini and having the same connection issue. tried many things, did all the updates which are mentioned in this page. but again I got try to connect again. but the same code works well with ESP32 Dev. but no with C3 Super mini :( any one has the fix or the solution?

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8 participants