1. L9110S-chip motor drive2. Module supply voltage: 2.5-12V3 .Suitable Motor range: between motor operating voltage 2.5v-12V, the maximum operating current of 0.8A, the current smart car voltage and current market are within this range4. Drive two DC motors, or a 4-wire 2-phase stepping motor.5. PCB board size: 2.8cm x 2.1cm ultra-small size, suitable for assemblyIs provided with a fixed mounting holes, diameter: 3mmModule interface description:6P black curved pin instructions:VCC Connected to external 2.5V-12V voltageGND Connected to external GNDIA1 Connected to external microcontroller IO portIB1 Connected to external microcontroller IO portIA2 Connected to external microcontroller IO portIB2 Connected to external microcontroller IO port4P green terminal instructions:OA1 OB1 Connected to 2 pins of DC motor, no directionOA2 OB2 Connected to 2 pins of DC motor, no directionModule use instructions:Turn on VCC, GND, and the module indicator is on;IA1 input high level, IA1 input low level, [OA1 OB1] motor forward rotation;IA1 input low level, IA1 input high level, [OA1 OB1] motor reversed;IA2 input high level, IA2 input low level, [OA2 OB2] motor forward rotation;IA2 input low level, IA2 input high level, [OA2 OB2] motor reverseNote:The installation of electronic modules requires basic knowledge and requires a certain electronic foundation and hands-on ability. Please purchase carefully Colour:blueMaterial:PCBPackage Contents:5 x H-bridge Stepper Motor DC Motor Driver Controller Board L9110SOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.