Power:Max 1200W. Max Current: 40A. 3:Only can work for Brush DC Motor ,Can't Work for Brushless Motor. Speed range: 0--100%.
eBay
DC 6-70V Cooling fan Intelligent temperature control module Chassis cooling Motor Speed Controller For Computer PC
Aliexpress UK
You can set the duty cycle, the upper and lower limits of the duty cycle, and the working frequency to give you a good experience. Working Frequency: 1KHz~99KHz Adjustable, 1KHz Stepping, Default Frequency 20KHz, Accuracy About 1%.
eBay
DC 12-48V 5A 4 wire PWM Motor Fan Blower Speed Controller governor temperature control Support EC EBM Fan
Aliexpress UK
This speed governor is used for the use of DC brushed motors. Pulse Width Modulation Frequency: 16Hz. Before turning on the power, check all the connections carefully. Before replacing any wiring, be sure to cut off the power first.
eBay
Wireless Remote Control Module for 3V/5V/12V DC Motor - Forward Reverse Drive PWM Speed Regulation
Aliexpress UK
Rated Current: Rated 5A, maximum instantaneous current 15A. The external switch needs to use a self reset button or key, press it once to turn it on, and press it again to turn it off. Motor Starting: Motor soft start function, the current slowly increases when starting the motor, no impact current, effectively protects the motor, and prolongs the service life of the motor.
eBay
DIY Electric DC Reciprocating Linear Actuator Telescopic Push Rod 3-15cm Stroke 2-8cm Metal Gear Reduction Motor Speed Control
Aliexpress UK
PWM Minimum Pulse Width: 10us. PWM Frequency Range: 0-10kHz. Item Type: DC Motor Driver Module. 1 x Drive Module.
eBay
DC Motor 1.8V 3V 5V 6V 12V 2A PWM Adjustable Speed Controller Potentiometer Knob Switch Kit Control Governor Module
Aliexpress UK
The maximum output power : 400W(the power is 12V 10A =120W. 24V maximum power of 200W) PWM frequency is 21KHz ;. New 4K 1 In 1 Out HDMI Audio Extractor Splitter Converter DMI EARC Extractor. Suitable for the DC motor (or DC load) within 8A, Peak current 10A.
eBay
Dual DC Motor Driver Module (Dual Super L298N): H-Bridge 5A 3V-14V – PWM Speed Control, Voltage Reversal, RC-Ready
Aliexpress UK
The lower limit of the duty cycle is displayed as “L” + two digits. The upper limit of the duty cycle is displayed as “H” + two digit or “100”. The display frequency of the working frequency is “F” + two digit.
eBay
DC 6-60V PWM Motor Speed Controller Module Board Drive Regulator Encoder Frequency Adjustable Knob Rotation Control
Aliexpress UK
Basic Specifications: The frequency of this DC motor governor is 16khz (The motor is quiet at low speed and full of torsion at low speed). LED Display: 0.56in 3 digit oversized LED digital display with a display range of 000‑100, allowing you to see clearly in the worst conditions.
eBay
ZK-SMC01 Stepper Motor Driver and Controller DC 5-30V Reverse Pulse Speed Control Board Programmable PLC Serial Communication
Aliexpress UK