1. L9110S-chip motor drive 2. Module supply voltage: 2.5-12V 3. Suitable motor range: operating voltage between 2.5V and 12V, maximum operating current of 0.8A; compatible with most smart car motors on the market within this range 4. Drives two DC motors or a 4-wire 2-phase stepper motor 5. PCB board size: 2.8cm x 2.1cm, ultra-compact design for easy integration Includes fixed mounting holes with a diameter of 3mm Module interface: 6P black header pins: VCC – Connect to external 2.5V-12V power source GND – Connect to external ground IA1 – Connect to microcontroller IO pin IB1 – Connect to microcontroller IO pin IA2 – Connect to microcontroller IO pin IB2 – Connect to microcontroller IO pin 4P green terminal blocks: OA1, OB1 – Connect to two terminals of DC motor (direction not polarity-sensitive) OA2, OB2 – Connect to two terminals of DC motor (direction not polarity-sensitive) Module operation: Power the module by connecting VCC and GND; the indicator light will turn on IA1 high, IB1 low – [OA1, OB1] motor runs forward IA1 low, IB1 high – [OA1, OB1] motor runs in reverse IA2 high, IB2 low – [OA2, OB2] motor runs forward IA2 low, IB2 high – [OA2, OB2] motor runs in reverse Note: Installation requires basic electronic knowledge and practical skills. Handle with care. Color: Blue Material: PCB Package Contents: 5 x H-bridge Dual DC Motor Driver Controller Board L9110S The package includes only the items listed above; other accessories are not included Note: Due to lighting effects and monitor settings, actual color may vary slightly from image. Measurement tolerance: +/- 1-3cm