Shop Motor Speed Control Using PWM

Sponsored
About our ads
$749.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Non-Reversing, 1PH, 1/4-1HP/1/4-2HP, 174102.00
Global Industrial
$749.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Non-Reversing, 1PH, 1/4-1HP/1/4-2HP, 174102.00
Global Industrial
$999.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Reversing, 1PH, 1/4-1HP/1/4-2HP, 174107.00
Global Industrial
$999.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Reversing, 1PH, 1/4-1HP/1/4-2HP, 174107.00
Global Industrial
$1,438.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 1, Reversing, 1PH, 1/40-1/8HP/1/40-1/4HP - ( Min. Purchase Quantity Is 2 ), M1740006.00
Global Industrial
$1,438.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 1, Reversing, 1PH, 1/40-1/8HP/1/40-1/4HP - ( Min. Purchase Quantity Is 2 ), M1740006.00
Global Industrial
$24.99
DROK DC Motor Driver 2Pcs, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module
Amazon.com
10
$24.99
DROK DC Motor Driver 2Pcs, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module
Amazon.com
$25.99
AC Motor Speed Controller 120V 15A Variable Speed Controller & Fan Speed Controller, Electronic Voltage Regulator For Resistive Loads Only With
Amazon.com
8
$25.99
AC Motor Speed Controller 120V 15A Variable Speed Controller & Fan Speed Controller, Electronic Voltage Regulator For Resistive Loads Only With
Amazon.com
$12.79
DC Motor Speed Controller, 6-60V 12V 24V 36V 48V 30A PWM DC Digital Display PWM Motor Speed Controller Start Stop Switch With Speed Control
Amazon.com
Free shipping
$12.79
DC Motor Speed Controller, 6-60V 12V 24V 36V 48V 30A PWM DC Digital Display PWM Motor Speed Controller Start Stop Switch With Speed Control
Amazon.com
$13.29
7-70V 30A PWM DC Motor Speed Controller, Adjustable PWM Motor Controller Switch 30A Variable Motor Speed Regulator
Amazon.com
13
$13.29
7-70V 30A PWM DC Motor Speed Controller, Adjustable PWM Motor Controller Switch 30A Variable Motor Speed Regulator
Amazon.com
$6.99
DGZZI 2PCS PWM DC Motor Speed Controller DC4.5V-35V Speed Adjustable Switch Module Speed Control Switch Board 5A Variable Voltage Regulator Switch
Amazon.com
$6.99
DGZZI 2PCS PWM DC Motor Speed Controller DC4.5V-35V Speed Adjustable Switch Module Speed Control Switch Board 5A Variable Voltage Regulator Switch
Amazon.com
$49.99
DC 10-50V/Rated 40A/Peak 100A/Peak 5000W DC Motor Speed Controller Adjustable PWM DC Motor Speed Controller, 12V 24V 30V 50V
Amazon.com
4
Free shipping
$49.99
DC 10-50V/Rated 40A/Peak 100A/Peak 5000W DC Motor Speed Controller Adjustable PWM DC Motor Speed Controller, 12V 24V 30V 50V
Amazon.com
$46.69
Pwm Controller, Motor Speed Controller 10-50V 100A 5000W DC Motor Speed Controller PWM Control Switch Governor
Amazon.com
Free shipping
$46.69
Pwm Controller, Motor Speed Controller 10-50V 100A 5000W DC Motor Speed Controller PWM Control Switch Governor
Amazon.com
$9.49
PWM DC Motor Speed Controller 5V-24V 5A 150W Adjustable Digital Display Speed Regulator With Stepless Variable Knob Switch Signal Generator Driver
Amazon.com
4
$9.49
PWM DC Motor Speed Controller 5V-24V 5A 150W Adjustable Digital Display Speed Regulator With Stepless Variable Knob Switch Signal Generator Driver
Amazon.com
$4.07
$8.30
PWM DC Motor Speed Regulator Adjustable Speed Control Switch 12V 24V 36V 10A Fan Controller Voltage
AliExpress
50% off
$4.07
$8.30
PWM DC Motor Speed Regulator Adjustable Speed Control Switch 12V 24V 36V 10A Fan Controller Voltage
AliExpress
$17.31
Motor Speed Controller, Voltage Regulator Waterproof DC Motor Speed Controller Variable Adjuster Switch PWM12V24V48V
Amazon.com
$17.31
Motor Speed Controller, Voltage Regulator Waterproof DC Motor Speed Controller Variable Adjuster Switch PWM12V24V48V
Amazon.com
$7.58
3000W 60A 50V Speed Controller PWM Motor Speed Regulator DC 10-50V Voltage Regulator Control Switch
AliExpress
Free shipping
$7.58
3000W 60A 50V Speed Controller PWM Motor Speed Regulator DC 10-50V Voltage Regulator Control Switch
AliExpress
$13.99
Diymore USB Fan Speed Controller PWM Motor Controller With DC Motor Speed Control, 5V 2A PWM Control, Adjustable Knob Switch
Amazon.com
$13.99
Diymore USB Fan Speed Controller PWM Motor Controller With DC Motor Speed Control, 5V 2A PWM Control, Adjustable Knob Switch
Amazon.com
$375.95
Leeson Motors DC Controls SCR Series, PWM Series , Open Chassis, 1PH, 1/8-1HP/1/4-2HP, 115/230V, 174311.00
Global Industrial
$375.95
Leeson Motors DC Controls SCR Series, PWM Series , Open Chassis, 1PH, 1/8-1HP/1/4-2HP, 115/230V, 174311.00
Global Industrial
$18.71
$56.68
PWM DC Motor Speed Controller DC 10-55V Digital Motor Speed Regulator 100A 12V 24V 48V
AliExpress
Free shipping
66% off
$18.71
$56.68
PWM DC Motor Speed Controller DC 10-55V Digital Motor Speed Regulator 100A 12V 24V 48V
AliExpress
$9.99
Gebildet 6Pcs PWM Low Voltage Motor Speed Controller DC 1.8V/3V/5V/6V/12V 2A 1803BK 1803B Adjustable Driver Switch With Speed Control Knob
Amazon.com
71
$9.99
Gebildet 6Pcs PWM Low Voltage Motor Speed Controller DC 1.8V/3V/5V/6V/12V 2A 1803BK 1803B Adjustable Driver Switch With Speed Control Knob
Amazon.com
$19.96
PWM Brushed Motor Speed Controller Digital Display Adjustable 6-55V 20A, Customizable Speed Control
Amazon.com
Free shipping
$19.96
PWM Brushed Motor Speed Controller Digital Display Adjustable 6-55V 20A, Customizable Speed Control
Amazon.com
$12.96
DC 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller (PWM) Speed Adjustable Stepless Governor Regulator Motor Speed Controller With Start Stop
Amazon.com
Free shipping
$12.96
DC 6-60V 12V 24V 36V 48V 30A PWM DC Motor Speed Controller (PWM) Speed Adjustable Stepless Governor Regulator Motor Speed Controller With Start Stop
Amazon.com
$15.00
10PCS 2000W PWM AC Motor Speed Control Module Dimmer Speed Regulator 50-220V Adjustable Voltage Regulator
Amazon.com
$15.00
10PCS 2000W PWM AC Motor Speed Control Module Dimmer Speed Regulator 50-220V Adjustable Voltage Regulator
Amazon.com
$12.96
PWM DC Motor Speed Controller With 30A Fuse, 7-70V Wide Voltage Range Switch Control 30A Fuse
Amazon.com
57
$12.96
PWM DC Motor Speed Controller With 30A Fuse, 7-70V Wide Voltage Range Switch Control 30A Fuse
Amazon.com
$17.77
$19.99
Cdmall AC Motor Speed Controller 120V 15A Max - Variable-Speed Controller & Fan Speed Control With Overload Protection And LED Display For Hydroponics
Amazon.com
11% off
$17.77
$19.99
Cdmall AC Motor Speed Controller 120V 15A Max - Variable-Speed Controller & Fan Speed Control With Overload Protection And LED Display For Hydroponics
Amazon.com
$26.46
DC Motor Speed Controller 12V-60V 40A PWM Brushed Reversible Adjustable Regulator For DC Motors - Compact 3.54X3.9X2.36 Inch
Amazon.com
23
$26.46
DC Motor Speed Controller 12V-60V 40A PWM Brushed Reversible Adjustable Regulator For DC Motors - Compact 3.54X3.9X2.36 Inch
Amazon.com
$2.25
$4.47
Brand New PWM DC Motor Speed Controller 5V-16V 10A With ON/OFF Switch, Stepless Regulator For LED
AliExpress
49% off
$2.25
$4.47
Brand New PWM DC Motor Speed Controller 5V-16V 10A With ON/OFF Switch, Stepless Regulator For LED
AliExpress
$18.39
Kodrily 12-60V 20A DC Motor Speed Controller, Forward/Reverse Variable PWM Controller, Brush Electric Motor Speed Regulator, Adjustable CW CCW
Amazon.com
1
$18.39
Kodrily 12-60V 20A DC Motor Speed Controller, Forward/Reverse Variable PWM Controller, Brush Electric Motor Speed Regulator, Adjustable CW CCW
Amazon.com
$15.99
NEWNEWLIU PWM DC Motor Speed Controller,12V/24V/36V/48V/40A LED Display Stepless Speed Controller With Forward-Brake-Reverse Switch & Adjustable
Amazon.com
12
$15.99
NEWNEWLIU PWM DC Motor Speed Controller,12V/24V/36V/48V/40A LED Display Stepless Speed Controller With Forward-Brake-Reverse Switch & Adjustable
Amazon.com
$9.73
DC10-60V PWM Motor Speed Controller Regulator Switch High Power Driver Board Module 20A
Amazon.com
Free shipping
$9.73
DC10-60V PWM Motor Speed Controller Regulator Switch High Power Driver Board Module 20A
Amazon.com
$82.79
Dual Channel H-Bridge 60A DC Motor Driver Module With PWM For Electric Motor Speed Control Robotics
Amazon.com
Free shipping
$82.79
Dual Channel H-Bridge 60A DC Motor Driver Module With PWM For Electric Motor Speed Control Robotics
Amazon.com
$24.99
Riorand 7-70V PWM DC Motor Speed Controller 30A - Low Heat Aluminum Housing For Brushed DC Motors, DIY Projects & Small Electric Devices (Extra Fuse
Amazon.com
111
$24.99
Riorand 7-70V PWM DC Motor Speed Controller 30A - Low Heat Aluminum Housing For Brushed DC Motors, DIY Projects & Small Electric Devices (Extra Fuse
Amazon.com
$1.52
DC 12V 30A High-Power Brushless Motor Speed Controller 3-Phase Regulator PWM Brushless Motor Speed
AliExpress
$1.52
DC 12V 30A High-Power Brushless Motor Speed Controller 3-Phase Regulator PWM Brushless Motor Speed
AliExpress
$8.73
5A DC Motor Drive Module Controller Board Module CW CCW Rotation PWM Regulation Double H Bridge Module ,Module
Amazon.com
$8.73
5A DC Motor Drive Module Controller Board Module CW CCW Rotation PWM Regulation Double H Bridge Module ,Module
Amazon.com
$5.99
Lifcratms Mini PWM DC Motor Speed Controller, DC 3V 6V 12V 24V 35V 5A Speed Control Switch Small LED Dimmer
Amazon.com
$5.99
Lifcratms Mini PWM DC Motor Speed Controller, DC 3V 6V 12V 24V 35V 5A Speed Control Switch Small LED Dimmer
Amazon.com
$2.80
DC 6V-28V 3A 80W Motor Speed Controller (PWM),Speed Adjustable Reversible Motor Driver Switch,DC Motor Driver
Amazon.com
$2.80
DC 6V-28V 3A 80W Motor Speed Controller (PWM),Speed Adjustable Reversible Motor Driver Switch,DC Motor Driver
Amazon.com
$13.29
DONGKER LED Driver PWM Dimmer Module,DC 3.7V-24V 4A Motor Speed Controller Module Stepless Circuit Control Board With Knob
Amazon.com
$13.29
DONGKER LED Driver PWM Dimmer Module,DC 3.7V-24V 4A Motor Speed Controller Module Stepless Circuit Control Board With Knob
Amazon.com
$51.99
Industrial Grade PWM DC Motor Speed Controller, DC 10V-50V / Rated 60A / Max 100A Industrial Grade DC Brush Motor Controller With Fuse & CW/CCW Switch
Amazon.com
3
Free shipping
$51.99
Industrial Grade PWM DC Motor Speed Controller, DC 10V-50V / Rated 60A / Max 100A Industrial Grade DC Brush Motor Controller With Fuse & CW/CCW Switch
Amazon.com
Motor Control, Part 3: BLDC Speed Control Using PWM
10:22
Motor Control, Part 3: BLDC Speed Control Using PWM
Jan 5, 2020
mathworks.com
DC Motor Speed Control using PWM with PIC Microcontroller - Aticleworld
DC Motor Speed Control using PWM with PIC Microcontroller - Aticlew…
Nov 16, 2020
aticleworld.com
AC Fan Speed Control using Arduino and TRIAC
AC Fan Speed Control using Arduino and TRIAC
Feb 5, 2020
circuitdigest.com
Speed control of DC motor with PWM using Arduino
Speed control of DC motor with PWM using Arduino
Sep 15, 2020
ee-diary.com
LED Dimmer and DC Motor Speed Controller Circuit Using PWM Technique
LED Dimmer and DC Motor Speed Controller Circuit Using PWM Tec…
Mar 15, 2021
elonics.org
5 Simple DC Motor Speed Controller Circuits Explained – Homemade Circuit Projects
5 Simple DC Motor Speed Controller Circuits Explained – Homemade C…
Sep 13, 2024
homemade-circuits.com
140K views · 7.4K reactions | Electric motor speed controller. In this video we learn how to design a simple PWM speed controller for a DC motor learning how current flows in the circuit and what each component does. You can even build the circuit yourself! #engineer #engineering #electrical #electronics #engineeringmindset | The Engineering Mindset | Facebook
17:33
140K views · 7.4K reactions | Electric motor speed controller. I…
140.1K views1 week ago
FacebookThe Engineering Mindset
0:53
DC Motor Speed Control using Arduino and Potentiometer
Jun 3, 2015
circuitdigest.com
DC Motor speed control and measurement
Feb 16, 2020
arduino.cc
DC Motor Speed Control using Pic microcontroller - PWM method
Apr 27, 2019
microcontrollerslab.com
dc-motor-speed-control-using-pwm-avr
Mar 24, 2017
circuitstoday.com
Speed control of DC motor using PWM with 555 IC - 555 Timer Proje…
Nov 5, 2020
easyelectronicsproject.com
0:57
Arduino PWM DC Motor Fan Speed Control
38.7K viewsNov 6, 2014
YouTubeHow To Mechatronics
18:43
Raspberry Pi Motor Control & RPM Measurement Tutorial
99.5K viewsNov 29, 2016
YouTuberdagger68
9:31
Build A Simple Pulse Width Modulation Controller / PWM
50K viewsDec 28, 2017
YouTube0033mer
5:25
How to control Mosfet with Arduino using PWM?
25.5K viewsJan 4, 2020
YouTubeBong TechSolutions
8:08
Arduino Fan Control // 2-Wire, 3-Wire, and 4-Wire CPU Fan Speed …
279.7K viewsJun 1, 2020
YouTubeScience Fun
8:26
Controlling fan speed with mosfet and Arduino
284.4K viewsJan 31, 2017
YouTubenenioc187
9:09
How to Use PWM DC Motor Speed Controller 10A (12V-40V) | POWE…
88.2K viewsOct 11, 2019
YouTubePOWER GEN
13:32
PWM Configuration in STM32F103 to Control DC Motor | Embedded Pro…
8.7K viewsJun 27, 2021
YouTubeEmbedded Programmer
10:04
How to make DC Motor PWM Speed Controller (PCB Design)
9.6K viewsNov 23, 2020
YouTubeLahisTech
5:43
Speed Control of Induction Motor - AC Motor Speed Control Methods
385.7K viewsDec 23, 2017
YouTubeLearning Engineering
5:57
DC motor speed Control using potentiometer with L298n
61K viewsAug 19, 2018
YouTubeInfinite xpro
5:01
How To Make a PWM DC Motor Speed Controller using LM324
8.8K viewsJan 24, 2021
YouTubeEasy One
1:35
How to Measuring DC Motor RPM Throught Built in Encoder with Ar…
63K viewsSep 17, 2019
YouTubeMaker Tutor
9:59
Arduino DC Motor Control Tutorial - L298N | H-Bridge | PWM | Robot Car
1.3M viewsAug 8, 2017
YouTubeHow To Mechatronics
5:34
How to make PWM DC Motor Speed Controller circuit using 555 Timer IC
23.2K viewsOct 20, 2020
YouTubeTech StudyCell
2:57
How To Set Up 12v Electric Motor With A Speed Controller || PWM C…
7.7K viewsFeb 10, 2021
YouTubedavidrobert2007
6:04
Speed Control of DC Motor - DC Motor Speed control
129.2K viewsDec 10, 2017
YouTubeLearning Engineering
19:42
Controlling 2 DC Motors using ESP32 and L298N Motor driver - R…
96.6K viewsDec 27, 2019
YouTubeRobojax
See more videos
Static thumbnail place holder

Shop Motor Speed Control Using PWM

Sponsored
About our ads
$749.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Non-Reversing, 1PH, 1/4-1HP/1/4-2HP, 174102.00
Global Industrial
$749.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Non-Reversing, 1PH, 1/4-1HP/1/4-2HP, 174102.00
Global Industrial
$999.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Reversing, 1PH, 1/4-1HP/1/4-2HP, 174107.00
Global Industrial
$999.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 4X, Reversing, 1PH, 1/4-1HP/1/4-2HP, 174107.00
Global Industrial
$1,438.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 1, Reversing, 1PH, 1/40-1/8HP/1/40-1/4HP - ( Min. Purchase Quantity Is 2 ), M1740006.00
Global Industrial
$1,438.00
Leeson Motors DC Controls SCR Series, PWM Series , NEMA 1, Reversing, 1PH, 1/40-1/8HP/1/40-1/4HP - ( Min. Purchase Quantity Is 2 ), M1740006.00
Global Industrial
$24.99
DROK DC Motor Driver 2Pcs, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module
Amazon.com
10
$24.99
DROK DC Motor Driver 2Pcs, L298 Dual H Bridge Motor Speed Controller DC 6.5V-27V 7A PWM Motor Regulator Board 12V 24V Electric Motor Control Module
Amazon.com
$25.99
AC Motor Speed Controller 120V 15A Variable Speed Controller & Fan Speed Controller, Electronic Voltage Regulator For Resistive Loads Only With
Amazon.com
8
$25.99
AC Motor Speed Controller 120V 15A Variable Speed Controller & Fan Speed Controller, Electronic Voltage Regulator For Resistive Loads Only With
Amazon.com
$12.79
DC Motor Speed Controller, 6-60V 12V 24V 36V 48V 30A PWM DC Digital Display PWM Motor Speed Controller Start Stop Switch With Speed Control
Amazon.com
Free shipping
$12.79
DC Motor Speed Controller, 6-60V 12V 24V 36V 48V 30A PWM DC Digital Display PWM Motor Speed Controller Start Stop Switch With Speed Control
Amazon.com
$13.29
7-70V 30A PWM DC Motor Speed Controller, Adjustable PWM Motor Controller Switch 30A Variable Motor Speed Regulator
Amazon.com
13
$13.29
7-70V 30A PWM DC Motor Speed Controller, Adjustable PWM Motor Controller Switch 30A Variable Motor Speed Regulator
Amazon.com
$6.99
DGZZI 2PCS PWM DC Motor Speed Controller DC4.5V-35V Speed Adjustable Switch Module Speed Control Switch Board 5A Variable Voltage Regulator Switch
Amazon.com
$6.99
DGZZI 2PCS PWM DC Motor Speed Controller DC4.5V-35V Speed Adjustable Switch Module Speed Control Switch Board 5A Variable Voltage Regulator Switch
Amazon.com
$49.99
DC 10-50V/Rated 40A/Peak 100A/Peak 5000W DC Motor Speed Controller Adjustable PWM DC Motor Speed Controller, 12V 24V 30V 50V
Amazon.com
4
Free shipping
$49.99
DC 10-50V/Rated 40A/Peak 100A/Peak 5000W DC Motor Speed Controller Adjustable PWM DC Motor Speed Controller, 12V 24V 30V 50V
Amazon.com
$46.69
Pwm Controller, Motor Speed Controller 10-50V 100A 5000W DC Motor Speed Controller PWM Control Switch Governor
Amazon.com
Free shipping
$46.69
Pwm Controller, Motor Speed Controller 10-50V 100A 5000W DC Motor Speed Controller PWM Control Switch Governor
Amazon.com
$9.49
PWM DC Motor Speed Controller 5V-24V 5A 150W Adjustable Digital Display Speed Regulator With Stepless Variable Knob Switch Signal Generator Driver
Amazon.com
4
$9.49
PWM DC Motor Speed Controller 5V-24V 5A 150W Adjustable Digital Display Speed Regulator With Stepless Variable Knob Switch Signal Generator Driver
Amazon.com
$4.07
$8.30
PWM DC Motor Speed Regulator Adjustable Speed Control Switch 12V 24V 36V 10A Fan Controller Voltage
AliExpress
50% off
$4.07
$8.30
PWM DC Motor Speed Regulator Adjustable Speed Control Switch 12V 24V 36V 10A Fan Controller Voltage
AliExpress
$17.31
Motor Speed Controller, Voltage Regulator Waterproof DC Motor Speed Controller Variable Adjuster Switch PWM12V24V48V
Amazon.com
$17.31
Motor Speed Controller, Voltage Regulator Waterproof DC Motor Speed Controller Variable Adjuster Switch PWM12V24V48V
Amazon.com
$7.58
3000W 60A 50V Speed Controller PWM Motor Speed Regulator DC 10-50V Voltage Regulator Control Switch
AliExpress
Free shipping
$7.58
3000W 60A 50V Speed Controller PWM Motor Speed Regulator DC 10-50V Voltage Regulator Control Switch
AliExpress
$13.99
Diymore USB Fan Speed Controller PWM Motor Controller With DC Motor Speed Control, 5V 2A PWM Control, Adjustable Knob Switch
Amazon.com
$13.99
Diymore USB Fan Speed Controller PWM Motor Controller With DC Motor Speed Control, 5V 2A PWM Control, Adjustable Knob Switch
Amazon.com
$375.95
Leeson Motors DC Controls SCR Series, PWM Series , Open Chassis, 1PH, 1/8-1HP/1/4-2HP, 115/230V, 174311.00
Global Industrial
$375.95
Leeson Motors DC Controls SCR Series, PWM Series , Open Chassis, 1PH, 1/8-1HP/1/4-2HP, 115/230V, 174311.00
Global Industrial
$18.71
$56.68
PWM DC Motor Speed Controller DC 10-55V Digital Motor Speed Regulator 100A 12V 24V 48V
AliExpress
Free shipping
66% off
$18.71
$56.68
PWM DC Motor Speed Controller DC 10-55V Digital Motor Speed Regulator 100A 12V 24V 48V
AliExpress
$9.99
Gebildet 6Pcs PWM Low Voltage Motor Speed Controller DC 1.8V/3V/5V/6V/12V 2A 1803BK 1803B Adjustable Driver Switch With Speed Control Knob
Amazon.com
71
$9.99
Gebildet 6Pcs PWM Low Voltage Motor Speed Controller DC 1.8V/3V/5V/6V/12V 2A 1803BK 1803B Adjustable Driver Switch With Speed Control Knob
Amazon.com