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In this video I go over how to interface a L298N dual H bridge motor driver with an Arduino UNO to control two permanent DC motors.
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The program used in this video:
https://www.dropbox.com/s/1qoqyyidnzajs71/L298N_Dual_H_Bridge.zip
The L298N motor driver board used in this video can be found at icstation.com or by clicking on the following link:
http://www.icstation.com/product_info.php?products_id=2540#.Usl8V_ZZWlA