This is a 4.8-46V, 2A Dual Motor Controller which is the revised version of the DF-MDV1.0. Its performance has been improved greatly.It can bear larger current due to the increased heat-sink dissipation.It is easy to control, using LGS's outstanding high-power motor driver chip, the L298N. This chip allows for direct drive of twobi-directional DC motors, and incorporates high-speed short diodes for protection.Drive current up to 2A per motor output. The driver uses a broad-brush design to reduce wire resistance.
This breakout module with standard screw holes will help on applications and devices with flat spaces, so you don't need to use the Arduino stacked up shield.
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