Standalone fan speed controller

Thing is if they don't you basically bought the wrong fans, so either what upup suggested, variable resistor or lower the voltage some other way.
 
AstroTurf said:
Do you have the fans yet? How many wires do they have? If 3 one of them is sense /tachometer and it will work fine. Pwm stands for pulse width modulation, basically send pulses of power to the fan to set it to a specific speed...
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I have the fans already yeah, and they do have 3 wires.
 
You could buy 2 controllers, 1 set at 23degree second one at 27degree. 23 degree one switch fan on via 1k resistor, fan runs 50%. when second controller switch on, fan runs at max for a while.
 
AstroTurf said:
Ahh, then It's @upup suggestion, vr or bust
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Damn, wish I had researched this a bit before buying.
Oh well, I'll first just let them run at full speed and take it from there. If it's noisy then I'll look at a vr
 
SAguy said:
Damn, wish I had researched this a bit before buying.
Oh well, I'll first just let them run at full speed and take it from there. If it's noisy then I'll look at a vr
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A variable resistor is so cheap though, why not go get one and do the install.

EDIT: And soldering is so much fun, especially when you have 3 arms.

EDIT: I just noticed the sound level on your fans is only 30db, that's less than ambient, so if they are mounted far enough away from things they'll be quiet at max speed.
 
gamer16 said:
A variable resistor is so cheap though, why not go get one and do the install.

EDIT: And soldering is so much fun, especially when you have 3 arms.

EDIT: I just noticed the sound level on your fans is only 30db, that's less than ambient, so if they are mounted far enough away from things they'll be quiet at max speed.
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Lol.. luckily I have one of these buddies:
1561714162482.png

What I do need to do is practice soldering a bit more. I only whip it out (the soldering iron that is) when I need it, I should take some time to mess around to improve my soldering skills.

I think I'm overthinking the fans a bit, will first just get everything set up next week and then take it from there.
 
SAguy said:
Lol.. luckily I have one of these buddies:
View attachment 677725

What I do need to do is practice soldering a bit more. I only whip it out (the soldering iron that is) when I need it, I should take some time to mess around to improve my soldering skills.

I think I'm overthinking the fans a bit, will first just get everything set up next week and then take it from there.
Click to expand...

That's brilliant, I need one of those.
 
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