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Waveshare Pwm Controlled Fan Hat For Raspberry Pi, I2c Bus, Pca9685 Driver, Temperature Monitor - Demo Board - AliExpress
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Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface [PCA9685] : ID 815 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Coolwell Waveshare PWM Controlled Fan HAT for Raspberry Pi I2C Bus PCA9685 Dr... 738628504630 | eBay
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