![GitHub - Max-Sum/HP-fan-proxy: The HPE iLO system tends to over-drive the fans in their servers. This project use an arduino to lower the PWM signal. GitHub - Max-Sum/HP-fan-proxy: The HPE iLO system tends to over-drive the fans in their servers. This project use an arduino to lower the PWM signal.](https://raw.githubusercontent.com/Max-Sum/HP-fan-proxy/master/images/post-8123-0-98784900-1394609613.png)
GitHub - Max-Sum/HP-fan-proxy: The HPE iLO system tends to over-drive the fans in their servers. This project use an arduino to lower the PWM signal.
![Reading RPM speed of 4Pin Fan from HP Blade Server - Motors, Mechanics, Power and CNC - Arduino Forum Reading RPM speed of 4Pin Fan from HP Blade Server - Motors, Mechanics, Power and CNC - Arduino Forum](https://europe1.discourse-cdn.com/arduino/original/4X/3/8/8/3887ad6eaad0a25ebdebc98f748290da23fdc861.jpeg)
Reading RPM speed of 4Pin Fan from HP Blade Server - Motors, Mechanics, Power and CNC - Arduino Forum
![Amazon.com: GDSTIME 120V AC Powered with Speed Controller Bundle | 120mm x 32mm Blower Fan + Dual 120mm Server Fan : Electronics Amazon.com: GDSTIME 120V AC Powered with Speed Controller Bundle | 120mm x 32mm Blower Fan + Dual 120mm Server Fan : Electronics](https://m.media-amazon.com/images/I/71DixOkx7dL.jpg)
Amazon.com: GDSTIME 120V AC Powered with Speed Controller Bundle | 120mm x 32mm Blower Fan + Dual 120mm Server Fan : Electronics
GitHub - damianmoore/hp-server-fan-controller: Slow down the server fan speed whilst still allowing extra cooling when needed and shutdown in case of fan failure
![GitHub - Max-Sum/HP-fan-proxy: The HPE iLO system tends to over-drive the fans in their servers. This project use an arduino to lower the PWM signal. GitHub - Max-Sum/HP-fan-proxy: The HPE iLO system tends to over-drive the fans in their servers. This project use an arduino to lower the PWM signal.](https://raw.githubusercontent.com/Max-Sum/HP-fan-proxy/master/images/connector-cut.jpg)