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Variable duty 555 based PWM 0-100% duty cycle

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Variable duty 555 based PWM 0-100% duty cycle
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555 based PWM circuit, it uses a opamp to make 0-100% duty cycle. To change the frequency make C1 as follows C1=4n7 20kHz C1=10n 10kHz Nice PWM circuit

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stefan129

110 Circuits

Date Created

4 years ago

Last Modified

4 years ago

Tags

  • 555 pwm
  • 555 variable duty cycle astable multivibrator
  • pwm led

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555 PWM 0-100% duty cycle

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