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LED data corruption with RMT driver #4389

@hacustom

Description

@hacustom

What happened?

After upgrading a QuinLED-Dig-Quad to WLED 0.15.0, LED segments on GPIOs 1 and 16 experience significant noise and flashing. An LED segment on GPIO 3 operates fine without any issue.

Segment 1 GPIO 3 - 629 LEDs
Segment 2 GPIO 1 - 161 LEDs
Segment 3 GPIO 16 - 171 LEDs

This particular setup has been running flawlessly for just over 3 years. The issue was immediately resolved by downgrading to WLED 0.14.3.

To Reproduce Bug

  • Upgrade a QuinLED-Dig-Quad to WLED 0.15.0
  • Activate any preset or animation
  • Flashing/Noise is prominent on LED segments on GPIO 1 and 16

Expected Behavior

  • No noise/flashing on any LED segment

Install Method

Binary from WLED.me

What version of WLED?

WLED 0.15.0 2412100

Which microcontroller/board are you seeing the problem on?

ESP32

Relevant log/trace output

I don't have any logs at the moment, I have since downgraded to WLED 0.14.3.  However, I would be more than happy to re-upgrade and capture any logs/traces/configs that would aid in troubleshooting.

Anything else?

This appears to be similar to report #3976. That was submitted for 0.15.0b2 and not the full release however.

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