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PROJECT DESCRIPTION

The intention of this project is to develop a speed-control system for a DC motor that changes the magnitude of the voltage applied to an armature using an Android-application device. The speed of the DC motor is directly proportional to the voltage applied across its terminals. Hence, if the voltage across the motor terminal is varied, then the speed can also be varied.

The proposed system uses a microcontroller of the 8051 family, and a rectified power supply. In this system, the DC motor is controlled by the motor-driver IC, which is connected to the microcontroller. A Bluetooth device is interfaced to the microcontroller for establishing communication. Remote operation is achieved by smartphone or tablets with an Android OS to control the DC motor.

The speed control of the DC motor is archived by varying duty cycles (PWM Pulses) from the microcontroller as per the program based on commands received from the Bluetooth. The program code for this project is written in embedded C. The microcontroller receives the percentage of duty cycles from the Android application and delivers the desired output to switch the driver IC to control the speed of the DC motor.

This project can be enhanced by using power electronic devices such as IGBTs to achieve speed control of the high-capacity industrial motors.

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The intention of this project is to develop a speed-control system for a DC motor that changes the magnitude of the voltage applied to an armature using an Android-application device. The speed of the DC motor is directly proportional to the voltage applied across its terminals. Hence, if the voltage across the motor terminal is varied, then the speed can also be varied.

The proposed system uses a microcontroller of the 8051 family, and a rectified power supply. In this system, the DC motor is controlled by the motor-driver IC, which is connected to the microcontroller. A Bluetooth device is interfaced to the microcontroller for establishing communication. Remote operation is achieved by smartphone or tablets with an Android OS to control the DC motor.

The speed control of the DC motor is archived by varying duty cycles (PWM Pulses) from the microcontroller as per the program based on commands received from the Bluetooth. The program code for this project is written in embedded C. The microcontroller receives the percentage of duty cycles from the Android application and delivers the desired output to switch the driver IC to control the speed of the DC motor.

This project can be enhanced by using power electronic devices such as IGBTs to achieve speed control of the high-capacity industrial motors.

PROJECT HIGHLIGHTS
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
×
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • Crystal
  • DC Motor
  • Motor Driver IC
  • LED
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Push Buttons
  • Bluetooth Device
×
  • 8051 series Microcontroller
  • Crystal
  • DC Motor
  • Motor Driver IC
  • LED
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Push Buttons
  • Bluetooth Device
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
  • Android application
×
  • Keil compiler
  • Language: Embedded C or Assembly
  • Android application
Q & A
Q:  What is the smart phone used to operate this project?
A:  Any mobile phone which has Android OS is used in this project
Q:  How can I install the Blue control App used for the project?
A:  Go to Google Play in your Android mobile search for Blue control App, select and install.
Q:  How can we connect the blue control application?
A:  The blue control application can be connected using Bluetooth connection, through a Bluetooth device. For detailed explanation, refer the operation procedure provided with the kit.
Q:  How much distance does Bluetooth support?
A:  Bluetooth supports distance till 50 feet
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