![Any advice on how to make this setup not lose 40% of the output power (getting 7 out of 12v)? Want to regulate the speed of a PC fan, but with a Any advice on how to make this setup not lose 40% of the output power (getting 7 out of 12v)? Want to regulate the speed of a PC fan, but with a](https://preview.redd.it/any-advice-on-how-to-make-this-setup-not-lose-40-of-the-v0-wwqgm495mkr81.png?auto=webp&s=1aa8f748b1bbad50591184c7638d4b5c2c980e6a)
Any advice on how to make this setup not lose 40% of the output power (getting 7 out of 12v)? Want to regulate the speed of a PC fan, but with a
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Amazon.com: Cooling Fan Hub, Low Resistance Fan Speed Control Module 12V Easy to Use for PC Chassis : Electronics
![Usb Fan Speed Controller Board 5v To 12v Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter - Motor Controller - AliExpress Usb Fan Speed Controller Board 5v To 12v Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter - Motor Controller - AliExpress](https://ae01.alicdn.com/kf/H1814379612bd4697b661d7195828cf9cW/USB-Fan-Speed-Controller-Board-5V-to-12V-Control-Switch-Fan-Stepless-Module-Adjustable-Potentiometer-Male.jpg_Q90.jpg_.webp)
Usb Fan Speed Controller Board 5v To 12v Control Switch Fan Stepless Module Adjustable Potentiometer Male Female Adapter - Motor Controller - AliExpress
![Regulate FAN voltage from another potentiometer (Different voltages) - Electrical Engineering Stack Exchange Regulate FAN voltage from another potentiometer (Different voltages) - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/uuOW1.png)
Regulate FAN voltage from another potentiometer (Different voltages) - Electrical Engineering Stack Exchange
![Fan Speed Controller, Fans Speeds Control Socket 100K Potentiometer for Computer FC-D024-S000(24V) : Amazon.in: Industrial & Scientific Fan Speed Controller, Fans Speeds Control Socket 100K Potentiometer for Computer FC-D024-S000(24V) : Amazon.in: Industrial & Scientific](https://m.media-amazon.com/images/I/61nzIxWgmKL._SL1500_.jpg)