Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

USB byte streamed Multi PWM fan controller

1stFalloutBoy

Junior Member level 1
Junior Member level 1
Joined
Aug 10, 2017
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,463
Hello Everyone, I have not been here for quite some time since I was informed I had 12 months to live... obviously a slight misdiagnosis. Unfortunately it resulted in me giving away everything I owned - so I am starting again.. To that end I have a Supermicro H12SSL server which needs better fan control, the current fan control circuits are limited to two zones which you can control all the fans in by selecting that zone but all the fan speeds in that zone will be set to the same value. If a fan is deemed to have failed all fans go to maximum speed and the sound would drive you crazy..

To this end I designed a circuit which would (lie) to the motherboard saying that the fan is running at the correct speed and lets you set it to whatever speed you wish using PWM fans.

I have uploaded a copy of this circuit and some changes have been made on the basis of recommendations from the Arduino crews but I am wanting to check it because I am using this to protect several thousands of $$$ worth of equipment..

If you are a person with lots of electrical knowledge please check it out and let me know if there is anything problematic. NB All power comes from the 5.25 inch power connector designated PWR.

All fans are 12v PWM fans.

NewSchematic.png


Thank you all.
 

LaTeX Commands Quick-Menu:

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top