AC DIMMER WITH STM32F373

Posted on December 24, 2017 at 22:48

hello

i am working on AC dimmer with stm32f373.

i have a issue when the fire angle change in TIMx->ARR.

in this case the lamps have filkcer.

i use the timer of MCU that runs in timer mode with internal clock.

how can fix this issue ???

thank you

#dimmer #timer #flicker

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Guru

Posted on December 24, 2017 at 22:56

The phase angle should be in CCRx, don't use Preload and ARR (period, but why?) will load new value at update.

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Associate III

Posted on December 25, 2017 at 01:23

thank you for response .

i should use timer in compare mode ???

How should I do it?

thank you

Guru

Posted on December 28, 2017 at 15:43

What are you trying to modulate? Frequency or Duty

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