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, compact design for easy integration; includes mounting holes with 3mm diameter 6. Module interface: - 6P black header pins: VCC: Connect to external 2.5V12V power supply 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 and OB1: Connect to two terminals of DC motor (no polarity requirement) OA2 and OB2: Connect to two terminals of DC motor (no polarity requirement) 7. Module operation: - Power the module via VCC and GND; status indicator turns on - For [OA1, OB1] motor: High on IA1 and low on IB1 motor forward Low on IA1 and high on IB1 motor reverse - For [OA2, OB2] motor: High on IA2 and low on IB2 motor forward Low on IA2 and high on IB2 motor reverse 8. Note: Installation requires basic electronic knowledge and hands-on experience. Purchase only if qualified. Color: Blue Material: PCB Package Contents: 5 x H-bridge Dual DC Motor Driver Controller Board L9110S Note: The package includes only the items listed above. Other accessories are not included. Lighting and display differences may cause slight color variation. Measurement error allowed: +/- 1-3cm.