Yet Another DTMF Controlled Robot



We have got a recent submission of the project by students of Mai Bhago polytechnic college, Amritsar, Punjab. As simple as it sounds, This project is an 8051 based DTMF controlled robot. 8051 receives decoded DTMF tones from MT8870 DTMF decoder. The DTMF input is fed from a GSM phone. There are two motors on the robot which are controlled via dual H-Bridge motor driver L293D.

If you are just starting to learn microcontrollers then this is the project you should start with. It will help you understand the basic IO control in microcontrollers using embedded C.

DTMF controls are as follows:

On pressing '2' robot moved forward
On pressing '8' robot moved backward
On pressing '4' robot moved left
On pressing '6' robot moved right
On pressing '5' robot moved stop


The download package includes source code, hex file, schematics and a description document.

Project credit goes to:
Parambir Singh Mattewal (Supervisor)
Sharanjit singh
Harman Rajput
Pragati
shikha
Manpreet kaur

Thank you guys for submitting this project.

Download this project from our download section:
Yet Another DTMF Controlled Robot
Tags GSM controlled robotDTMF controlled robot8051 DTMF controlled robot
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Conversation

Tue Nov 20 2018, 03:01 PM
Chana
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Mon Nov 12 2018, 05:58 AM
Pavan_user
i have seen your replica of I2C programming using AT89C51 but i am unable to understand the "ack_bit" variable usage ...looks like it is always 1...can you elaborate how acknowledgment is working....
bgk3678
Tue Nov 06 2018, 02:36 PM
kindly any one give solution for my problem
ExperimenterUK
Mon Nov 05 2018, 09:48 PM
Pins high is the normal state. You need a program to set them low
mayengbam
Sun Nov 04 2018, 05:41 PM
hello, i am niranjoy, alll the port of my 8051 is always high, even i erase all the program. why is it so happen and what is the problem. any one please help me!
Sun Nov 04 2018, 02:16 PM
BASAVARAJ g kudamble
hi I am interfacing GSM 300 to 8051 microcontroller to receive message from mobile
ExperimenterUK
Sat Sep 29 2018, 06:28 PM
Please post questions in the forum.
Sat Sep 29 2018, 11:26 AM
Ashfaq Ch
hi i have some AT89C51RC microcontrollers already programed. some one help us to how to download from AT89C51RC and after study and edit all corractions reload to AT89C51RC controller
shshistiem
Wed Sep 12 2018, 10:58 PM
hii!! some1 please let me know how i ll get rfid code to 8051 by WEIGAND mode
DrNossberg
Tue Sep 11 2018, 08:09 PM
is there anyone here?

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atalnet
Fri Nov 16 2018, 07:44 AM
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Wed Nov 14 2018, 09:25 AM
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Make the 8051 frequency exactly 11.0592 MHz in pro...