I’ve also been tinkering with my PWM fan control. I’m now using a MOSFET (must be logic level, I’m using digi-key part number IRLZ44NPBF-ND http://d.digikey.com/c01Q0BQS3NpX0Z7KS053y00) and a PWM pin on an ESP32 and it works well. Hello There I want to thank you for your extensive videos and docs! ...