2 layers63.2 × 54.4 mm

Mosfet fan switch
kavehs87/nuc-fan-controller
KiCad 10 board: 19V->12V buck for two 2-pin 12V fans, 12V->5V->3.3V for a 3.3V Pro Mini, follows the NUC ITE's PWM duty, and simulates the tach signal. ERC/DRC clean.
28 parts
Open-source boards designed in KiCad by kavehs87 on GitHub, from 1 repository. A board’s address here is its repository’s there.

kavehs87/nuc-fan-controller
KiCad 10 board: 19V->12V buck for two 2-pin 12V fans, 12V->5V->3.3V for a 3.3V Pro Mini, follows the NUC ITE's PWM duty, and simulates the tach signal. ERC/DRC clean.