Dec 12, 2014 · Can I use the GPIO as a pulse-width modulation output? If so, how would I go about doing it and how many concurrent, distinct PWM outputs can I have?

The 4-wire-fan (MGT9212UR-W25) has its own power supply (12V) and can be controled via PWM. I would like to control it with a Python script using the RPi.GPIO module, which …

Jul 14, 2019 · What's the difference between soft pwm and pwm (maybe hardware pwm) in raspberry 3 b+. From the pinout (https://pinout.xyz), it seam that there are only 2 pwm pin, pin …

Nov 11, 2015 · So in the GPIO utility from WiringPi there is a command to change the mode of the GPIO pins. There is input mode, output mode and PWM mode. What is the difference between …

Oct 20, 2021 · I have done this before but I would not recommend doing it this way. sys/class/gpio doesn't support PWM on it's own, you can only write 1 or 0, ie "on" or "off" to a gpio pin using …

Jun 3, 2023 · Figured it out. gpio pwmc 1000 seems to imply a period of 1 ms (might be wrong on the units but it didn't seem to matter for my use case), and the "X" in gpio -g pwm 18 X does …

Feb 24, 2017 · After many hours of fruitless searching and reading, I still didn't have a complete understanding of how and why to output specific frequencies from the hardware PWM pin on …

Mar 17, 2021 · How can Rpi move a Servo motor using a GPIO pin in PWM mode?, RpiSE 2019may11, Viewed 2k times

I am doing some testing with the hardware PWM, and it doesn't seem to have a fiexd frequency. It varied based on the pulse width set in pwmWrite(). Not something I would expect to happen

Mar 1, 2020 · Part 3 - Understanding the python code to turn servo using AdaFruit PCA9685 PWM Controller Library] My answer is coming to end. The OP should now have a rough idea …