HALF BRIDGE DRIVE CHIP: Using complete 2 piece half bridge driver chip to minimize switching loss and improve power utilization. BRAKE FUNCTION: The motor driver module has a braking function, which can quickly brake the motor, and the braking is obvious.
eBay
PWM Fan Controller DC Motor Speed Controller With Adjustable Switch Stable Performance For RV Camper Vent Fan
Aliexpress UK
High-performance DC motor speed regulator adopts thyristor BTA41-600B and 25A rectifier bridge. Armature Output: About DC 10-210V. Reasonable circuit layout, easy to wire and use. Input with filter capacitor, overcurrent protection.
eBay
DC 6V-28V 3A PWM DC Motor Speed Controller Regulator Motor Speed Controller with Start Stop Switch Motor Speed Controller
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.
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5V 12V 10A Voltage RegulatorLED Dimmer Power Controller PWM DC Motor Speed Controller Governor Stepless Speed Regulator
Aliexpress UK
PWM Frequency: 20KHz. Duty Cycle: 1%-100%. The motor can be positive or negative, when the direction of operation and expectations do not match, you can adjust the line order to change the direction.
eBay
Motor Driver Controller Board PWM DC Motor Speed Controller 100A Regulating Current DC Speed Controller Module 12V 24V 48V
Aliexpress UK
DC 4.5-35V. United Kingdom.
eBay
PWM DC Motor Speed Controller DC 10 -55V Digital LED Display 0 -100% Adjustable Drive Module Input MAX 60A 12V 24V 36V 48V
Aliexpress UK
With over current protection and short circuit protection. Color: as shown. There are NO EXCEPTIONS!
eBay
3-10pc 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Low Voltage Motor Speed Controller Adjustable Drive Module
Aliexpress UK
Introduction to PWM PWM Pulse Width Modulation Range: 0%-100%. Connect the motor, the motor line can be positive or negative.
eBay
1-5pcs 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Low Voltage Motor Speed Controller Adjustable Drive Module
Aliexpress UK
It is made with high quality circuit board which ensures a longer service life. PWM Frequency: 25Khz. Speed Range: 5%-100%.
eBay
50-1pc 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Low Voltage Motor Speed Controller Adjustable Drive Module
Aliexpress UK