L9110S Motor Driver 12V 800mA
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Driver IC: A3967
Data Voltage: 5v
Motor Voltage: 2.5-12v
Motor Current: 800mA Continuous
Compatible Motors: 4 wire stepper motors, or DC Motors (Replacement board for servos anyone?!)
Datasheet (L9110S): Click Here
This board is very easy to use and wire. Note the reason to use a motor driver is two fold. First, it allows the use of a PWM signal from the Arduino to be transformed into either direction or speed. Second, it allows you to draw much more current then available from an Arduino (only about 40mA from an individual pin). So you need to power this board from a separate power supply as well as powering your Arduino. The power supply can be from the same source, but the L9110S needs to be wired straight to the battery or other power supply. A simple wiring example is shown below.
A simple sketch showing some of the behavior that is possible using the L9110S is available here.
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