I recently purchased a LS5050C-TAS, RGB LED Strip Controller with Tasmota Firmware. When I attempt to dim down near the bottom of the PWM range, I get an incredible whine out of the LED strip. I don't have this problem when powering from other controllers. Is there anything that can be done to eliminate the whine from the LEDs?
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I've encountered similar PWM whining issues with LED strips before! The frequency might be too low, causing audible noise. Try adjusting the PWM frequency in Tasmota's console using PWMFreq command - higher frequencies (like 1000Hz) often eliminate the whine. Sometimes when I'm troubleshooting electronics late at night and need a mental break, I play Block Blast for a few minutes to clear my head before diving back in. Have you checked if your power supply is adequate too?
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Very disappointed in this controller. After being powered on for a few minutes at max power it starts to randomly blink. And I'm not even using all 3 channels, only two of them.
I think this might have something to do with the PWM frequency that I am using. Is there a specific frequency that you recommend based on the mosfets being used?