![arduino - Proper configuration of a PWM fan which should be stopped when the controller power is cut off - Electrical Engineering Stack Exchange arduino - Proper configuration of a PWM fan which should be stopped when the controller power is cut off - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/dMYIY.png)
arduino - Proper configuration of a PWM fan which should be stopped when the controller power is cut off - Electrical Engineering Stack Exchange
![Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/4808-00.jpg)
Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits
![Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor [STEMMA QT / Qwiic] : ID 4808 : $5.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/product-videos/1024x768/4808-05.jpg)