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As stated on the title, in this tutorial, we will rotate a motor in both directions. To achieve this, we can use a switch or the serial monitor. We will need an integrated circuit chip (IC), called H-Bridge, we will use a L293NE or SN754410 chip for our experiment.

Inside the chip, there are two “bridges”, one on the right and one on the left of the chip and can control 2 motors and delivers up to 1 Ampere of output current.

In this tutorial we will see how to turn on and off the motor or turn it to the right or left.

To power the motor, I recommend to use an external power supply, because there are hardly any motors that takes less than 500mA.

Read this tutorial to know more about the chip L239NE

Image taken from https://itp.nyu.edu/archive/physcomp-spring2014/Labs/StepperMotorControl

 

Circuit diagram

 

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