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
Mini 5A 10A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Regulator Control Governor Switch 24V
Aliexpress UK
The most advanced MPPT technology to ensure high efficiency (>95%) of your solar system. - Current limiting function (30A) allows the possibility of adding more solar panels to your solar system in the future.
eBay
1/25/PCS Mini 3A PWM 5V DC Motor Speed Controller Module DC-DC 3V-15V Adjustable Regulator Control Governor Switch
Aliexpress UK
Maximum current: 100A. Frequency: 15 kHz. We will try our best to reduce the risk of the custom duties. we will try our best to solve the problem asap.Your satisfactory is our goal. Color: Silver. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
eBay
1pcs 10A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Regulator Control Governor Switch 24V
Aliexpress UK
Toggle : Press to ON, press again to OFF. RF Frequency : 433MHz. 🔹 Specifications (Receiver) Power Load : Up to 110W. Max Remote Storage : 25 remotes (exceeding this will overwrite the first saved remotes).
eBay
Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V B1
Aliexpress UK
PWM duty cycle: 1%-100%. PWM frequency: 20khz. Output power: 90W (maximum).
eBay
Mini 5A 10A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Regulator Control Governor Switch 24V
Aliexpress UK
Type: PWM Motor Speed Requlator. Its compact size, robust protection features, and easy-to-use design make it an excellent choice for both hobbyists and professionals. Max Current : 5A. Fan speed regulation.
eBay
SX Mini 5A 10A 2A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Regulator Control Governor Switch 24V
Aliexpress UK
Maximum current: 20A. Support load: DC brush motor. Lower speed limit, limit the minimum speed, reduce the start of the minimum space. Positive stop and reverse three gears, positive and negative rotation, arbitrary switching.
eBay
5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK
It provides a continuous current of 3A to your DC motor or other DC load. Max current: 3A. Warning: Do not reverse positive and negative power loads.
eBay
Mini 5A 90W PWM 12V DC Motor Speed Controller Module DC-DC 4.5V-35V Adjustable Speed Regulator Control Governor Switch 24V
Aliexpress UK