Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor (STEMMA QT / Qwiic) witty pi 4 mini Ultrasonic & IR sensor support

Ultrasonic & IR sensor support

91" OLED screen

SB Components developed Raspberry Pi Pico 2 Breadboard Kit with advanced features like independently controllable LEDs

Comes with fully assembled breakout board and a stick of 0

Adafruit EMC2101 I2C PC Fan Controller and Temperature Sensor (STEMMA QT / Qwiic) witty pi 4 mini Ultrasonic & IR sensor supportCooling 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