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1. The driver power supply cannot be connected upside down. It is recommended to connect a fuse in series at the power interface, and the voltage should be between 6.5 and 27V. If the voltage is overvoltage, the drive module may be burned when powered on.
2. It is recommended that the rated output current of the power supply be more than 2 times the rated current of the motor, so as not to cause the power supply to fail to provide the current required when the motor starts, resulting in the power supply voltage falling and the power supply voltage not reaching the input voltage required by the driver, so that the drive module performs undervoltage protection. Turn off the output and cause the motor to stall.
3. The motor interface cannot be short-circuited, otherwise the drive module may be burned. It is recommended to connect a 10A fuse in series at the motor interface.
4. When switching between forward and reverse, you need to brake above 0.1S before reversing. You can't reverse the motor before it stops, otherwise the driver may be damaged.
5. When the drive module is powered off, do not directly or indirectly rotate the motor at high speed, otherwise the electromotive force generated by the motor may burn the drive module. If the application needs to rotate the motor at high speed when the drive module is powered off, it is recommended to connect a relay in series (NO and COM ends are connected in series) to the motor interface of the driver, and the relay coil is shared with the driver. In this way, when the power supply is powered off, the relay will disconnect the driver from the motor.
6. Be careful not to let the driver get wet, do not let the components on the driver board short circuit, and do not touch the pins and pads of the components on the board with your hands.
Dwight Bumgarner
Reviewed in the United States on May 9, 2025
This little motor driver punches way above its weight! I am using it to drive 2 24v worm gear motors from a 24v battery, and it handles speed control and direction flawlessly. One thing that could be improved would be to change the pin headers to a better connector that has clips to keep it in place (like the other connectors on this board). Other than that it works well!
D M Smith
Reviewed in the United States on May 4, 2025
This uses the same control interface as an L298n chip, but does not actually contain an L298n.This is a circuit made with discrete mosfets, and not an integrated L298n chip, this gives it the ability to handle more current than the L298n chip assy.When writing a sketch in Arduino, you use the same L298n library as you would for an actual L298n.In my case, I used the L298NX2.h library so that I could control both motors at the same time.The board worked as an L298n would, but I was able to drive two 12V 550 size motors without issue.The mosfets of the H-bridge's got warm but did not get hot as the PCB has enough surface area to dissipate the heat.This can also be used to drive a larger bipolar stepper than what the L298n can handle.This is a nice circuit as it allows the control of two motors that pull more power than what an actual L298n can handle.This board is rated at 7 amps and 160 watts, an actual L298n is only rated at 2 amps and 25 watts.One thing to note, this board is designed to only handle up to 27 volts, an actual L298N can handle as high as 35 volts, but it is not recommended to run them that high due to the limited wattage.Overall, this is a nice board that allows you to use the same code developed for an L298n, but with much more power available.
Eric Customer
Reviewed in the United States on May 13, 2025
I was so excited to write this review, talk about everything I know about motor drivers, until I read the other gentleman’s review on this driver board. There is absolutely nothing I can say that he didn’t already... But that’s ok. Yes this does function like a L298N and integrate into an arduino or other microcontroller project seamlessly. I like and dislike the header pins as well. It’s easy to use jumpers with them, but I would opt for a soldered connection personally. For the price this board gives you a good bang for your buck imho.
Josh
Reviewed in the United States on May 12, 2025
Terrific module I’ve used many similar, the removable terminals on this make it breeze to install in projects and swap out for other uses
Native Idahoan
Reviewed in the United States on May 10, 2025
Pros:* Easy connectors* Dual drivers* 5v control signal with 6-27V drive voltageCons:* Solder job was sloppy and may not last... tbd
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