How to wire a simple cooling fans circuit for a laptop stand, need an Expert help. Answered
Hello everyone ! I am planning to build an extreme cooling laptop stand and I am encountering a problem during my tests phase.
What I want to do is to wire together:
- 2 x 92mm computer fans (12V - 0,6 Amp)
- 1 "B1K" potentiometer (or 2, one for each fan)
- 1 "O/I" switch (or 2, one for each fan)
- 1 12V power adapter (12V - 50-60Hz - 1000mAmp)
When I try to link 1 "B1K" pot with the 2 fans mounted in parallel, first the pot is almost useless (only 5% of its full course is useful) and second, it starts to heat and smoke...
What should I do ? Use 2 pots ? Or put in some resistances ? I am new with electronic and get lost with current / voltage / resistance... I thought this circuit would be pretty simple, but when I saw the smoke, I was frightened.
Any help / advice would be greatly appreciated.
Thank you very much.