thanks for your reply. Right know I have no fan. I'm thinking of a PWM fan but I don't know how to connect As I figured out the best way to connect a pwm fan is the OUT1100 or REL1100? What do you think? Thanks

hi, I'm new to phidget and have a similar question. I'm using a SBC4 and I want to control the speed of a fan (172mm). I don't have the fan yet and I don't know with phidget and fan I need to buy Can anybody help me? Thanks a lot Robert