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Amazon.com: USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch(3PCS) : Electronics
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Amazon.com: USB Fan Speed Controller, DC 5V Stepless Mini USB Fan Governor DC 4-12V to 2.5-8V 5W Regulator Speed Control Knob with Switch(3PCS) : Electronics
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/i/42304/products/2018-09-06T11%3A21%3A23.995Z-Speed%20Controller.13294_1.jpg?1606306133 "Mini USB Fan Rotary Speed Controller Module(13294) from ICStation on Tindie")
Mini USB Fan Rotary Speed Controller Module(13294) from ICStation on Tindie
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5v To 12v Usb Fan Stepless Speed Controller Fan Governor Adjustable Potentiometer With Male Female Usb Type-a Adapter - Integrated Circuits - AliExpress
