Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor (STEMMA QT / Qwiic) witty pi 4 mini or manage assets

or manage assets

Port for a battery pack

Tidy cable management

cosplay accessories

Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor (STEMMA QT / Qwiic) witty pi 4 mini or manage assetsCooling fans They're everywhere, and they serve the important purpose of keeping things cool, generally electronics. One might rightfully think: "these fans are pretty good at moving air to keep things cool; maybe I can use one of these neat computer fans to keep my widget frosty" followed closely by throwing up one's hands in confusion at the sight of a 3 or even 4 pin connector. OK, power takes two pins but what are these other pins for and how do I