![Amazon.com: DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC with Sound and Light : Electronics Amazon.com: DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC with Sound and Light : Electronics](https://m.media-amazon.com/images/I/61rEvvWffQL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DC 12V Four Wire Thermostat PWM Fan Speed Controller Governor Module for PC with Sound and Light : Electronics
![Amazon.com: 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller Digital Regulator Variable Speed Switch Display LED Control Circuit Board Start Stop Switch : Tools & Home Improvement Amazon.com: 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller Digital Regulator Variable Speed Switch Display LED Control Circuit Board Start Stop Switch : Tools & Home Improvement](https://m.media-amazon.com/images/I/412dS5oLl8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller Digital Regulator Variable Speed Switch Display LED Control Circuit Board Start Stop Switch : Tools & Home Improvement
![Amazon.com: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific Amazon.com: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific](https://m.media-amazon.com/images/I/51jq5O4zhbL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DC 12V PWM Speed Controller, PWM Control Mode Reverse Timing Fan Fan Temperature Controller Plastic for Workshop for Laboratory for Factory for Industry : Industrial & Scientific
![DAOKI 2Pcs 5A Motor Speed Controller Module Mini DC Motor PWM Speed Controller Switch Control Controller Switch LED Dimmer 3V 6V 12V 24V 35V Max 90W: Amazon.com: Industrial & Scientific DAOKI 2Pcs 5A Motor Speed Controller Module Mini DC Motor PWM Speed Controller Switch Control Controller Switch LED Dimmer 3V 6V 12V 24V 35V Max 90W: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61V9EjXGjmL._AC_UF1000,1000_QL80_.jpg)
DAOKI 2Pcs 5A Motor Speed Controller Module Mini DC Motor PWM Speed Controller Switch Control Controller Switch LED Dimmer 3V 6V 12V 24V 35V Max 90W: Amazon.com: Industrial & Scientific
![Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics](https://m.media-amazon.com/images/I/51ZaMVyhzmL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: DC 12V 24V 4A 2-Way Adjustable PWM Fan Speed Controller, Automatic PC CPU Case Fan Temperature Control Governor with Sensor Universal for 2 3 4-Wire DC Fan : Electronics
![RioRand 12V-40V 10A PWM DC Motor Speed Controller with Knob-High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection: Electric Motor Controls: Amazon.com: Industrial & Scientific RioRand 12V-40V 10A PWM DC Motor Speed Controller with Knob-High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection: Electric Motor Controls: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71uYLm03HEL._AC_UF1000,1000_QL80_.jpg)
RioRand 12V-40V 10A PWM DC Motor Speed Controller with Knob-High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection: Electric Motor Controls: Amazon.com: Industrial & Scientific
![Riorand DC 3V 6V 12V 24V 35V 5A Motor Speed Controller PWM Speed Control Ultra Small LED Dimmer(2PCS) Riorand DC 3V 6V 12V 24V 35V 5A Motor Speed Controller PWM Speed Control Ultra Small LED Dimmer(2PCS)](https://m.media-amazon.com/images/I/7177FkmErTL._AC_UF894,1000_QL80_.jpg)
Riorand DC 3V 6V 12V 24V 35V 5A Motor Speed Controller PWM Speed Control Ultra Small LED Dimmer(2PCS)
![Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific - Amazon.com Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/515ia0ZOZFL._AC_UF350,350_QL50_.jpg)
Speed Controller 12V PWM 4-Wire PC Fan Temperature Semiconductor Speed Controller : Industrial & Scientific - Amazon.com
![Amazon.com: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific Amazon.com: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific](https://m.media-amazon.com/images/I/61GJ2Az92hL._AC_UF894,1000_QL80_.jpg)
Amazon.com: uniquegoods CCMFC 12V 2A DC Motor Speed Controller Adjustable Variable Speed Switch PWM DC Voltage Switching Regulator Control Speed of a DC Fan : Industrial & Scientific
![Amazon.com: 12V-60V 70A DC PWM Motor Speed Controller High Power Speed Control Driver Switch : Industrial & Scientific Amazon.com: 12V-60V 70A DC PWM Motor Speed Controller High Power Speed Control Driver Switch : Industrial & Scientific](https://m.media-amazon.com/images/I/61Xk-FP5ZFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 12V-60V 70A DC PWM Motor Speed Controller High Power Speed Control Driver Switch : Industrial & Scientific
![Amazon.com: DZS Elec 10A 12V-40V DC Motor Speed Controller 12V 24V PWM Variable Speed Regulator Governor Switch CCMHCN With Speed Control Knob : Industrial & Scientific Amazon.com: DZS Elec 10A 12V-40V DC Motor Speed Controller 12V 24V PWM Variable Speed Regulator Governor Switch CCMHCN With Speed Control Knob : Industrial & Scientific](https://m.media-amazon.com/images/I/71rYgoVV49L._AC_UF894,1000_QL80_.jpg)
Amazon.com: DZS Elec 10A 12V-40V DC Motor Speed Controller 12V 24V PWM Variable Speed Regulator Governor Switch CCMHCN With Speed Control Knob : Industrial & Scientific
![2PCS DC 1.8-15V 2A Mini PWM Motor Speed Controller 1.8V 3V 5V 6V 7.2V 12V 30W Low Voltage Motor Adjustable Actuator Switch with Speed Control: Amazon.com: Industrial & Scientific 2PCS DC 1.8-15V 2A Mini PWM Motor Speed Controller 1.8V 3V 5V 6V 7.2V 12V 30W Low Voltage Motor Adjustable Actuator Switch with Speed Control: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61knOruKzrL._AC_UF1000,1000_QL80_.jpg)
2PCS DC 1.8-15V 2A Mini PWM Motor Speed Controller 1.8V 3V 5V 6V 7.2V 12V 30W Low Voltage Motor Adjustable Actuator Switch with Speed Control: Amazon.com: Industrial & Scientific
![6V 12V 24V DC 3A DC Motor Speed Controller (PWM) Speed Adjustable Reversible Switch DC Motor Driver Reversing: Amazon.com: Industrial & Scientific 6V 12V 24V DC 3A DC Motor Speed Controller (PWM) Speed Adjustable Reversible Switch DC Motor Driver Reversing: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61IC7SAdjoL._AC_UF1000,1000_QL80_.jpg)
6V 12V 24V DC 3A DC Motor Speed Controller (PWM) Speed Adjustable Reversible Switch DC Motor Driver Reversing: Amazon.com: Industrial & Scientific
![Amazon.com: RioRand RR-PWM-15V Low Voltage Dc 1.8v 3v 5v 6v 12v Motor Speed Controller, 2A PWM : Industrial & Scientific Amazon.com: RioRand RR-PWM-15V Low Voltage Dc 1.8v 3v 5v 6v 12v Motor Speed Controller, 2A PWM : Industrial & Scientific](https://m.media-amazon.com/images/I/61tHtCZmUoL._AC_UF894,1000_QL80_.jpg)
Amazon.com: RioRand RR-PWM-15V Low Voltage Dc 1.8v 3v 5v 6v 12v Motor Speed Controller, 2A PWM : Industrial & Scientific
![Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics](https://m.media-amazon.com/images/I/61RsJdu9zfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: PWM Thermostat, DC 12V Fan Thermostat Controller 4 Wire Speed Controller with Sensor for PC Case CPU : Electronics
![DC PWM Motor Controller Reversible 12V 24V 36V 40A High Power Motor Speed Controller Switch CCM6Ds-B: Amazon.com: Tools & Home Improvement DC PWM Motor Controller Reversible 12V 24V 36V 40A High Power Motor Speed Controller Switch CCM6Ds-B: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61l7XE1p80L._AC_UF1000,1000_QL80_.jpg)
DC PWM Motor Controller Reversible 12V 24V 36V 40A High Power Motor Speed Controller Switch CCM6Ds-B: Amazon.com: Tools & Home Improvement
![Amazon.com: 12V-40V 10A PWM DC Motor Speed Controller Module with Reverse Polarity Protection, high Current Protection : Tools & Home Improvement Amazon.com: 12V-40V 10A PWM DC Motor Speed Controller Module with Reverse Polarity Protection, high Current Protection : Tools & Home Improvement](https://m.media-amazon.com/images/I/61HepD0WxEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 12V-40V 10A PWM DC Motor Speed Controller Module with Reverse Polarity Protection, high Current Protection : Tools & Home Improvement
![Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V: Amazon.com: Industrial & Scientific Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/41mYlgobU8L._AC_UF1000,1000_QL80_.jpg)
Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V: Amazon.com: Industrial & Scientific
![HiLetgo 12V~40V 10A PWM DC Motor Speed Control Switch Controller Voltage Regulator Dimmer for Arduino: Amazon.com: Industrial & Scientific HiLetgo 12V~40V 10A PWM DC Motor Speed Control Switch Controller Voltage Regulator Dimmer for Arduino: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61qYeJa6BpL._AC_UF1000,1000_QL80_.jpg)
HiLetgo 12V~40V 10A PWM DC Motor Speed Control Switch Controller Voltage Regulator Dimmer for Arduino: Amazon.com: Industrial & Scientific
![PWM DC Motor Speed Controller,DC6V 9V 12V 24V 3A Motor Pump Speed Controller PWM Regulator Reversing Switch: Amazon.com: Industrial & Scientific PWM DC Motor Speed Controller,DC6V 9V 12V 24V 3A Motor Pump Speed Controller PWM Regulator Reversing Switch: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61evY8l8KFL._AC_UF1000,1000_QL80_.jpg)
PWM DC Motor Speed Controller,DC6V 9V 12V 24V 3A Motor Pump Speed Controller PWM Regulator Reversing Switch: Amazon.com: Industrial & Scientific
![Amazon.com: 12V-40V 10A PWM DC Motor Governor, Motor Speed Controller Module PWM PWM DC Motor Governor Stepless Variable Speed Control Switch Module : Industrial & Scientific Amazon.com: 12V-40V 10A PWM DC Motor Governor, Motor Speed Controller Module PWM PWM DC Motor Governor Stepless Variable Speed Control Switch Module : Industrial & Scientific](https://m.media-amazon.com/images/I/61CHogu2tzL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 12V-40V 10A PWM DC Motor Governor, Motor Speed Controller Module PWM PWM DC Motor Governor Stepless Variable Speed Control Switch Module : Industrial & Scientific
![Amazon.com : Renogy Wanderer Li 30A 12V PWM Negative Ground Solar Charge Controller Solar Panel Regulator w/ Temp Sensor Function Fit for Lithium, Sealed, Gel, and Flooded Batteries, Wanderer Li 30A : Amazon.com : Renogy Wanderer Li 30A 12V PWM Negative Ground Solar Charge Controller Solar Panel Regulator w/ Temp Sensor Function Fit for Lithium, Sealed, Gel, and Flooded Batteries, Wanderer Li 30A :](https://m.media-amazon.com/images/I/51JrfV9HjFL._AC_UF894,1000_QL80_.jpg)