Stonecoldbrew
New Member
I am building a stir plate for yeast propagation. I have a dc pc fan with the blades removed and rare earth magnets attached. The fan is rated 24 vDC and 140 mA. The power supply output is 26 vDC and 210 mA. I want to use a pot as a simple variable resistor to control the fan speed. Can I use a simple pot or should I use a little more sophisticated design to protect the circuit? What values are needed?
Thanks ahead of time!
Thanks ahead of time!