Bug Neo pixel and buzzer not working on 4.3.3 build arducopter

I checked using multimeter for the voltage and the voltage seems fine all of these outputs are giving proper voltage checked all of them what’s the issue then

Post a link to the LED strip you are using

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This is the led i m using

same situation here but with pixhawk 1 with fmuv3 bootloader.

Sometimes led change colors but not reflecting the actual LED over i2c or internal.

Same settings on a cube orange and led works perfectly
hawk vtol pixhawk bl.param (21.3 KB)

Well guess what in betaflight and inav the led and Buzzer works fine it’s the not led problem it’s the ardupilot issue