1. What voltage can this PWM DC motor speed controller handle?
The controller accepts a 12V to 40V DC input supply. Always operate it within this specified voltage range and make sure the power supply can provide the current required by the connected motor.
2. Can this controller run a 10A DC motor?
It is rated for up to 10A continuous current. However, the motor's starting and stall current can be considerably higher than its normal running current. Choose a motor and power supply that remain within the controller's rated limits during operation.
3. Can I use this controller with a brushless DC motor?
No. This module is intended for brushed DC motors and compatible DC loads. It should not be used as a BLDC motor controller or as a replacement for a brushless motor ESC.
4. What is the PWM duty-cycle range?
The adjustable PWM duty cycle is 10% to 100%. Changing the duty cycle changes the average power delivered to the motor, allowing its operating speed to be adjusted.
5. What is the PWM frequency of this motor controller?
The controller operates at a fixed 13kHz PWM frequency. This is the switching frequency used for PWM-based motor speed regulation.
6. Can this module control motor direction?
No. This module is primarily a PWM speed controller. It should not be described as a forward/reverse motor controller unless the specific hardware provides a separate direction-control circuit.
7. Does the controller have reverse-polarity protection?
The product information currently contains conflicting statements about reverse-polarity protection. To avoid a misleading claim, users should always verify the supply polarity before powering the module. Incorrect polarity may damage the controller.
8. What can I use this controller for?
Typical uses include robotics, DIY automation, fans, pumps, conveyors and other compatible brushed DC motor applications where adjustable speed control is required.
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