Key benefits - Soft start protection: the speedboard ramps motor current evenly in 2 seconds, preventing very large startup current and reducing the risk of sudden motor acceleration. This helps protect the motor load, the speed control board, and the power supply. - Broad compatibility: supports a range of motor power from 60W to 200W across multiple supply voltages from 5V to 18V, enabling use with various DC motors. - Full speed capability: output range allows the motor to be driven up to its maximum speed when needed. - Flexible control interface: accepts external control signals of approximately 5 V at up to 10 kHz or 0-5 V control voltages for speed regulation. Key specifications - Applicable motor power ranges: - within 5V 60W - within 6V 70W - within 9V 110W - within 12V 150W - within 15V 180W - within 18V 200W - Soft start function: in 2 seconds, the motor current is evenly increased to the normal level to avoid startup surges. - Output range: 0 to the highest speed; the motor can be fully conveyed and operate at maximum speed. - Control input: external signals of approx. 5 V 10 kHz or 0-5 V voltages; suitable for speed regulation. 2-3 practical use scenarios - Hobby robotics projects: drive a DC motor for a small robotic arm or mobile robot with smooth startup and reliable speed control. - Small automation or conveyor setups: use the speedboard to regulate motor speed while protecting electrical components from inrush and startup shocks. - Educational electronics or lab experiments: demonstrate DC motor control using simple 5 V control signals or 0-5 V speed regulation signals for teaching concepts of soft-start and motor protection.