1. Dual H-bridge, capable of driving DC motors, single 7A, high current; input voltage 6.5V ~ 27V; input optocoupler isolates the signal, allowing direct control by IO ports, preventing interference; undervoltage protection to prevent immediate burnout of the module with high current; high-frequency electrostatic discharge circuit to suppress transient interference pulses and static. 2. Power supply voltage 6.5V-27V; the power supply should not be connected to or exceed 27V, otherwise the module will burn out. It is recommended to connect a 1A fuse in series with the power input. Dual motor interface, each output is rated at 7A, peak 50A. The motor interface should not be short-circuited; a 10A series fuse is recommended. Control signal voltage is 3-6.5V, corresponding to the enable signal and the forward/reverse control signal. 3. Enable signal terminal () has adjustable PWM input, PWM frequency 0-10KHZ, minimum PWM pulse width is 10us. Operating temperature -25℃ to 80℃. Installation hole diameter: 3mm. Special attention should be paid to preventing short circuits on the back of the circuit; you can add an insulating pad or copper column to lift the circuit board. 4. Suitable for motor parameters: For motors with a rated voltage of 24V, identify those rated at 115W and below or rated at 7A or less for long-term operation. For motors with a rated voltage of 12V, identify those rated at 40W and below or rated at 7A or less for long-term operation. Precautions: 1. The inverter's power supply should not be reversed. It is recommended to connect a 1A fuse in series with the power connector, and the voltage should be between 6.5 ~ 27V. 2. It is recommended that the rated output of the power supply be at least 2 times the rated output of the motor, so that the power supply can provide the required voltage when the motor starts. 3. Do not short-circuit the motor interface, or risk burning the drive module; a 10A series fuse is suggested for the electrical interface. 4. When switching between forward and reverse, braking is required for 0.1S before reversing. Do not switch while the motor is still running, as this may damage the drive. 5. Turn off the drive module, do not touch directly or indirectly. The high rotation of the motor or the back electromotive force generated by the motor can burn the drive module. If your application requires the motor to rotate at high speed when the drive module is off, it is recommended to connect a relay (NO and COM terminals) in series with the motor interface of the drive, and connect the relay coil and the drive together. This way, when the power is turned off, the relay will disconnect the drive and motor connection. 6. WARNING: Do not expose the drive to moisture. Do not short-circuit components on the control board. Do not touch the pins and pads on the board. Note: 0 is low level, 1 is high level, x is any level, floating high. Color: Red Material: PCB Size: 55 x 55 x 16 mm Package Contents: 1 x DC Motor Driver Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.