5Pcs L9110S 2 Channels DC Stepper Motor Dual Motor Driver Module Controller Board for Arduino 1. L9110S-chip motor drive_x000D_ 2. Module supply voltage: 2.5-12V_x000D_ 3 .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 range_x000D_ 4. Drive two DC motors, or a 4-wire 2-phase stepping motor._x000D_ 5. PCB board size: 2.8cm x 2.1cm ultra-small size, suitable for assembly Is provided with a fixed mounting holes, diameter: 3mm_x000D_ Module interface description:_x000D_ 6P black curved pin instructions:_x000D_ VCC Connected to external 2.5V-12V voltage_x000D_ GND Connected to external GND_x000D_ IA1 Connected to external microcontroller IO port_x000D_ IB1 Connected to external microcontroller IO port_x000D_ IA2 Connected to external microcontroller IO port_x000D_ IB2 Connected to external microcontroller IO port_x000D_ 4P green terminal instructions:_x000D_ OA1 Connected to 2 pins of DC motor, no direction_x000D_ OA2 OB2 Connected to 2 pins of DC motor, no direction_x000D_ Module use instructions:_x000D_ Turn on VCC, GND, and the module power indicator is on;_x000D_ IA1 input high level, IA1 input low level, [OA1 ] motor forward rotation;_x000D_ IA1 input low level, IA1 input high level, [OA1 ] motor reversed;_x000D_ IA2 input high level, IA2 input low level, [OA2 OB2] motor forward rotation;_x000D_ IA2 input low level, IA2 input high level, [OA2 OB2] motor reverse_x000D_ Note:_x000D_ The installation of electronic modules requires basic knowledge and requires a certain electronic professional foundation and hands-on ability. Please purchase carefully!_x000D_ Colour:blue_x000D_ Material:PCB Package Contents:_x000D_ 5 x H-bridge Dual DC Motor Driver Controller Board L9110S Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_