3 ms·
Then that's not PWM; they cheaped out on the power supply by not including capacitors to smooth out the 60 Hz AC waveform.
by p1mrx 4y ago
Then that's not PWM; they cheaped out on the power supply by not including capacitors to smooth out the 60 Hz AC waveform.
- bob1029 4y agoAgreed. I actually considered retrofitting the existing units with parts from digikey. I am 99% sure the issue is due to total absence of any electrolytic capacitors whatsoever on the PCB.