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LabDCMotorH-Bridge9V_bb

Breadboard drawing of an Arduino connected to an H-bridge to control a DC motor. The Arduino and switch are connected as described in the breadboard drawing above. An L293D H-bridge has been added, straddling the center of the breadboard in rows 12 thorugh 19. Pin 1 of the H-bridge is connected to the Arduino's digital pin 9. Pin 2 is connected to digital pin 4. Pins 3 and 6 are connected to the DC motor's two connections. Pins 4, 5, 12, and 13 are connected to the ground buses of the breadboard on left and right, respectively. Pin 7 is connected to digital pin 3 on the Arduino. Pin 8 is connected to the positive terminal of a 9-volt battery. The battery's negative terminal is connected to the ground bus on the right side of the breadboard. Pin 16 of the H-bridge is connected to the +5 volt bus on the right side of the board. The rest of the H-bridge pins are unconnected.

Breadboard view of an Arduino connected to an H-bridge to control a DC motor.

Posted on August 29, 2014August 24, 2018 Full size 578 × 313

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Published inLab: DC Motor Control Using an H-Bridge

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