L9110S H-bridge Dual DC Stepper Motor Driver Controller Board for Arduino

Description: 
Dual motor driver chip L9110S 
Module supply voltage :2.5-12V 
Suitable motor Range: between the motor operating voltage 2.5v-12V, the maximum operating current 0.8A, voltage and current smart car currently available in the market are within this range 
Can drive two DC motors , or a 4-wire 2 -phase stepper motor. 
PCB size : 2.8cm * 2.1cm ultra- small size, suitable for assembly 
A fixed mounting hole diameter : 3mm 
6P black bent pin description 
External 2.5V-12V voltage VCC 
External GND GND 
IA1 external microcontroller IO port 
IB1 external microcontroller IO port 
IA2 external microcontroller IO port 
IB2 external microcontroller IO port 
4P Green Terminal Description 
OA1 OB1 DC 2 -pin connection , without direction 
OA2 OB2 DC 2 -pin connection , without direction 
Switched VCC, GND module power indicator light 
IA1 input high , IA1 input low , [ OA1 OB1 ] motor is transferred ; 
IA1 input low , IA1 input high , [ OA1 OB1 ] motor reversal ; 
IA2 input high , IA2 input low , [ OA2 OB2 ] motor is transferred ; 
IA2 input low , IA2 input high , [ OA2 OB2 ] motor reversal ;