alien Well-Known Member Joined Apr 27, 2012 Messages 1,234 Reaction score 70 Location Philadelphia Aug 29, 2013 #1 http://ptarmiganlabs.wordpress.com/2013/08/22/one-dollar-variable-fan-controller/
FuzzeWuzze I Love DIY Joined Jun 19, 2012 Messages 3,144 Reaction score 460 Location Newberg Aug 29, 2013 #2 Nice except for the need for a heatsink to dissipate all the extra heat. Not like people have spare heatsinks laying around.
Nice except for the need for a heatsink to dissipate all the extra heat. Not like people have spare heatsinks laying around.
OP OP alien Well-Known Member Joined Apr 27, 2012 Messages 1,234 Reaction score 70 Location Philadelphia Aug 30, 2013 #3 Easily found in junked appliances if you don't want to spend $0.24. This thing is dissipating 6V @ 0.5A = 3W max. Plus the fan itself helps circulate cold air.
Easily found in junked appliances if you don't want to spend $0.24. This thing is dissipating 6V @ 0.5A = 3W max. Plus the fan itself helps circulate cold air.