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Mains Powered Fan Controller

ChrisLoudon

Hi guys,

 

I don't suppose anyone has seen a mains (UK 230v ideally) powered fan controller?

 

I have a non-PC related use case for a few 80mm PWM fans and would rather not jank a PC PSU to provide constant power.

 

I need to force fresh air into a box currently only open at the rear that house a drop-in refrigerated cake display. I am planning on fitting a couple of 80x500mm vents at the front for fresh air to be allowed in at low level at the front but I've been building PCs for long enough to know that unless the 'box' has a negative pressure environment (which it doesn't) air won't be inclined to enter from the front as required leaving forcing it with some fans my only option.

 

Cheers

 

C

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How do you plan to use PWM fans without a board ??

Only way I can see PC fans being used without a PC is with SATA powered fans and a PSU...

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12 minutes ago, PDifolco said:

How do you plan to use PWM fans without a board ??

Only way I can see PC fans being used without a PC is with SATA powered fans and a PSU...

Sorry, should have mentioned that I don't require any PWM control. Just straight DC would be fine. Heck, I barely need any variable speed control.

 

Just though there would be something out there other than a PC PSU that would work.

Bedroom PC - Lian-Li O11 XL Evo - Intel Core i5 13600k @ 5.4P / 4.4EGhz -  MSI Pro-A Wifi Z790 Mobo DDR5 - 32GB Ram - Gigabyte RTX 4090 - 1TB Samsung 990Pro NVMe - Corsair HX1200i PSU - Dual Custom Loop Cooling - GPU cooled with EK Quantum Surface S240 + EK Quantum Surface P360M X-Flow Rads - CPU cooled with EK Quantum Surface X360M Rad

 

Living Room PC - Hyte Y60 - Intel Core i9 9900k @ 5Ghz -  MSI Meg Ace Z390 Mobo - 16GB Ram - Palit RTX 3080ti - 256GB Samsung NVMe - Corsair AX850 PSU - CPU + GPU cooled with Hyte Y60 Corner Distro Plate - EK Coolstream S120 + EK Quantum Surface S360 + EK Quantum Surface X240M

 

Extension PC - Lian Li o11 Dynamic - Intel Core i7 8086k @ 5.1Ghz -  Gbyte Z390 I Aorus Pro Wifi Mobo - 16GB Ram - EVGA RTX 2080ti - 256GB Samsung NVMe - EVGA B5 850W PSU - CPU + GPU cooled with dual EKWB 360 Rads + G1 side EKWB distro plate.

 

Office - Thermaltake Tower 100 - Intel Core i7 8700K @ 5.1Ghz - Gbyte Z390 I Aorus Pro Wifi Mobo - 16GB Ram - EVGA GTX 1080ti - 256GB Samsung NVMe - EVGA B5 850W PSU - CPU + GPU cooled with dual EK Quantum Surface P120M Rads + Barrow 3-in-1 Block, Res & Pump.

 

Annex - Corsair 250D - Intel Core i7 3770k - Asus P8Z77 I Delux Mobo - 16GB Ram - EVGA GTX 980ti - 256GB Corsair SSD - BeQuiet P11 750 PSU - CPU cooled with EK Coolstream S240 + S120 Rads + EK Pump / Res Combo

 

Office - Corsair 280X - Intel Core i7 4790k - Asrock H97M ITX Mobo  - 16GB Ram - EVGA GTX 980 - Corsair SFXL600 PSU - CPU + GPU cooled with triple EK Coolstream S240s + EK Pump / Res Combo

 

NAS PC - Fractal Node 804 - Intel Core i7 3770k - Asus P8Z77-M Mobo - 16GB Ram - MSI GTX 1660 Ventus - Corsair AX850 PSU - Unraid 15TB Storage Server

 

Living Room AV Setup 5.1.4 - Yamaha RX-A2060 - 2 x B&W CM9s2 - 2 x Monitor Audio FX Silvers - 4 x B&W CCM665s - B&W CMCs2 - SVS SB13 Ultra - LG OLED65C1

 

Extension AV Setup - Sonos ARC + Sub (Gen 3) - LG OLED65C6V + Yamaha RX-A1070 - 5 x Monitor Audio C265s (2 Zones)

 

Bedroom AV Setup - Yamaha WXC-50 - 2 x B&W CM1s - Rel Quake - LG OLED42C2.

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There are some jank methods you can do, though I don't think there's an out of the box solution for this specifically. 

 

No matter what, this isn't going to run off straight mains voltage. You will need a DC power supply for this, though you should get by with a 12v 1-2A barrel jack PSU instead of having to wire up a full PC power supply. Because you're going to need that anyway, you could just get one of those off Amazon and wire it into a Molex connector for a normal PC fan controller. This is the first pair I found that would do exactly what you need it to, just pair it with some fan splitters and you're done. 

https://a.co/d/fQ52jsc

https://a.co/d/0idfQKi

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Just now, ChrisLoudon said:

Just straight DC would be fine. Heck, I barely need any variable speed control.

Wire the fans directly to a 12V PSU/Power brick. They will just run full speed all the time, if you want to tune them down, just add a resistor in series with the fan.

English is not my first language, so please excuse any confusion or misunderstandings on my end.

I like to edit my posts a lot.

 

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