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Results tagged with gpio
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user 95153
GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
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PWM frequency/profile for "official" pi fan?
I see on the case fan page that it is controlled by "Pulse width modulation control via user-selectable GPIO pin." Does anyone know the PWM frequency is? …
- 174
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PWM frequency/profile for "official" pi fan?
To verify this, I hooked up the official fan to a pi 3b+ I use for GPIO testing. … I plugged the blue wire into GPIO 12 since the standard pin (GPIO 14) doesn't have the hardware PWM you need to exceed 7kHz. …
- 174