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  1. autominus

    How does a capacitor work in this circuit?

    I use Raspberry Pi to generate a PWM signal. Basic PWM generation on the Raspberry Pi only has two independent channels, which can be accessed via 4 pins: GPIOs 12 and 18 for channel 0, 13 and 19 for channel 1. That's really interesting idea with all-in-one solution, Pavhek. I just had an...
  2. autominus

    How does a capacitor work in this circuit?

    Thank you for the explanation. I design a very similar circuit. My electronic circuit activates fan when processor heats up and then control rotation speed. The fan has a brushless motor with an internal motor controller - SUNON MF50100V1-1000U-A99, DC 5V I calculated buck converter...
  3. autominus

    How does a capacitor work in this circuit?

    What are the main functions of a capacitor C30 in this buck step-down converter?

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