The fan expansion board for Raspberry Pi also includes 6 three-color RGB WS2812 LEDs, which can be used for various ambient displays, such as displaying CPU temperature colors; There are 4 green LEDs that can be used to indicate fan speed, and users can also freely program their status The PWM controlled fan module for Raspberry Pi includes a power conversion circuit that supports a wide range of DC voltages from 7V to 28V to power both the cooling fan module and for the Raspberry Pi board simultaneously The cooling fan and RGB lights have independent control switches, and there are also additional 11 PWM outputs available via the PCA9685 The cooling fan expansion board module for Raspberry Pi module is easy to install, and the cooling fan is designed based on the Raspberry Pi 40PIN GPIO header, which is easy to use and can be directly inserted into the 40PIN GPIO header for the Raspberry Pi without an additional power cord, intended for Raspberry Pi series boards, such as Raspberry Pi 4B, 3B+, 3B, Zero, etc; The PWM controlled fan module for Raspberry Pi has strong heat dissipation performance, and the fan can generate forced convection, which can effectively reduce the working temperature for the Raspberry Pi and prevent overheating by exhausting hot air and blowing fresh air; The cooling fan expansion board module operates with low noise, and the cooling fan adopts high-quality hydraulic bearing design to ensure silent operation.
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