Argon Raspberry Pi 4 Mini Cooling Fan Hat PWM Speed Control GPIO Fans Copper Met
ab 10,03 €
In addition, the cooling fan also has a switch, you can decide whether to use the fan at will, you don't need to manually plug and unplug the GPIO interface like a traditional fan. Even if the fan is turned off, the copper heat sink base can still perform heat dissipation for you.
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