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Pulse-Width Modulation (PWM) is a technique used for controlling the power given to electrical devices. The average power supplied is controlled by rapidly turning the supply on and off. Questions here concern driving PWM outputs from the Raspberry Pi.
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Dimmer - How synchronize PWM with 230V power supply?
I need your's help with dimmer which is controlled by Raspberry PWM. My problem is lack of synchronization PWM with power supply. … So, when I run my script (Pic. 4 or Pic. 5) my PWM signal doesn't have synchronization with 230V power supply. PWM isn't triggered when it should. I'm angry that I didn't do oscilloscope waveforms. …