Fan Board v0.2

PWM fan regulator (2/3/4 pin)

USB-C (needs A to C cable)

Comparator circuit based (Astable oscillator)

3D printed case

• 43.5 x 27 x 14 mm

You need to provide your own 5V fan & USB powerbank

• Some powerbanks shut off when the power draw is too low, make sure yours doesn't

Poor ergonomics, potentiometer handle too long

Tuning of control characteristic (linear)

Choice of 2/3 to 4 pin fan switch

USB-C to C cables don't work due to missing CC resistors