What four wires do you have on each fan - usually +VCC, GND, PWM, TACH
e.g. this link for a Pi5 fan connector shows the https://www.raspberrypi.com/documentati ... tor-pinout
Use a separate power supply and a transistor or other driver for the PWM.
See this (long) post re 5V fans viewtopic.php?t=244194
e.g. this link for a Pi5 fan connector shows the https://www.raspberrypi.com/documentati ... tor-pinout
Use a separate power supply and a transistor or other driver for the PWM.
See this (long) post re 5V fans viewtopic.php?t=244194
Statistics: Posted by neilgl — Sun Jan 18, 2026 7:51 pm