How to perform Bluetooth DC Motor Direction Control

How To Control Direction Of DC Motor With Bluetooth?

In this video, we will learn how to control the direction of the motor with Bluetooth.

As shown in the video, define motor terminals and other required pins. Upload your program and connect Bluetooth. As we saw in the last video, you can change those define keys in a phone. Give commands from phone and observe motors direction.

Additionally, you can write the program to stop the motor, as shown in the video. Compile it and again upload it in Arduino. Change your define keys in a phone. Now, give new commands and see effects.

This way, you can control the direction of the DC motor, using Bluetooth.


Bluetooth DC Motor Direction Control is a type of Bluetooth device that allows you to control the direction of a DC motor using your Bluetooth enabled device.

The benefits of using this function include:

  • Reduce development time by reducing hardware errors
  • Reduce development cost by reducing scope of hardware errors
  • Increase reliability by reducing hardware errors
  • Increased productivity through reduced development time

A DC motor controller manipulates the position, speed, or torque of a DC-powered motor and easily reverses, so the DC current runs in the opposite direction. Enjoy higher starting torque, quick starting and stopping, reversing, variable speeds with voltage input and more.

HC-05 has red LED which indicates connection status, whether the Bluetooth is connected or not. Before connecting to HC-05 module this red LED blinks continuously in a periodic manner. When it gets connected to any other Bluetooth device, its blinking slows down to two seconds

DC motors are powered by direct current, and, unlike AC motors, their speed is easy to adjust. The characteristics of a DC motor are represented by its torque-speed curve, in which speed and load torque are inversely proportional. This torque-speed curve translates with changes in drive voltag

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