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Our robot expert Gaurav Khadasane has come up with another innovative way to control a robot. He is controlling his robot from an android phone (with a Android GUI application) over bluetooth. Project uses our favourite 8051 microcontroller and HC-05 bluetooth module.

In this project 8051 and bluetooth module are communicating over uart @9600bps. Bluetooth module HC-05 is controlled via simple AT commands. This module comes in SMD package and works on 3.3v power supply. The BT module is a SPP supported profile so it can be connected easily to any controller or embedded device. In this profile the data sent and receive to module directly comes on the RX pin of microcontroller. It becomes really easy to make your device bluetooth compatible.

L293D H-Bridge motor driver are used to control two DC motors. A readymade compact size chassis is used to avoid the chassis assembly comlexities The chassis contains 2 decks the lower is used for BO motors fitting the upper is used as a battery stack. On top plate the controller board is mounted by screw fitting.

Finally the Android application, You can get Bluecontrol app from Google Play



Here is a working video of the project



If you have any doubts or comments Please use forum... Enjoy bulding robots

Please use download link below to download this project.
Android controlled robot using 8051 and bluetooth
Tags Android controlled robotandroid robot using 8051android bluetooth robot8051 bluetooth control8051 bluetooth android robot8051 bluetooth robot
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This project is an extention to previously uploaded "GSM Controlled Robot". Earlier project was only designed to be controlled using a mobile or GSM device whereas this project extends the control capabilities to custom designed RF Remote and A glove with Accelerometer.



This project is devided into two sections
1. Control/Encoder unit
2. Robot Unit

Control unit uses 433Mhz RF modules for sending control data to robot. Control unit receives data from either remote or an accelerometer module. Robot unit is actually the receving device which can receive data from either gsm device or RF recevier. Both RF reciever and GSM device send same kind of signals to control motors.

Control/encoder unit uses 8051 controller and its code is written in assembly whereas Robot unit uses AVR microcontroller, its source is written in C language. If you have already built the old GSM controlled robot then upgrading to this version of robot will not be difficult at all.

I have also added original project report came with GSM controlled robot, You can add more information in this project report to complete final report.

Here are working videos of project:

Multicontrol Robot - Control by Acclerometer



Multicontrol Robot - Control By Remote



Click download link below to download this project:
Multicontrol Robot - Control by GSM, Remote or Acclerometer

I would like to thank Gaurav Khadasane for submitting this project we would like to see more projects from you.
Tags multicontrol robotgsm controlled robotgsm controlled car8051 accelerometer8051 remote carrf controlled car
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Hi Friends, Its been a long time since I've been to website. But There were few main things that I was suppose to do a long time back. Here is a new year surprise for you all. Viktor has share another project with us a great design with practical use. An 8051 based Solar tracker with source written in assembly language. Viktor explains basic operation of this project.

PRINCIPLE OF OPERATION
The circuit comprises of three sections:
  1. light controlled circuit
  2. counter for timer
  3. switching circuit


1. Light controlled circuit:

This particular circuit controls other circuits. It puts the other circuit on or off depending the nature of the day. It comprises of LDR and transistor representation of smith trigger configured using two npn transistor(BC377) such that when there is a small potential difference across the LDR and variable resistor, The relay will be triggered to switch on other circuit. This circuit monitors day and night. The main function of this monitor is put off the device at night and turn it on in the mornining again.

2. counter for timer:
Since sun start from the east at 6:45am and set at exertly 12:45pm, the light controller circuit put on the whole circuit automatically making the timer to initialize its 6hrs counting sequence.

3. switching circuit:
This circuit is mainly used to control the direction of panel using a DC Actuator motor. Microcontroller AT89C2051 gets input from east and west Light control circuit and adjust panel to face sun direction.

Type of motor used:
24-36v d.c Actuator from super jack used in tv satalite dish polar adjustment

You can download project here:
Time Controlled Solar Tracking System (Assembly)
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Well this is one of the most interesting and long awaited project uploaded on any microcontroller website. Its an Inverter/UPS with inbuilt charging system based on 8051 (AT89C2051) with a rating of 3000VA. As you all know an inverter converts DC voltage to AC, This project uses 24V DC battery and convert it to 220v 50Hz AC. Here are some pictures of constructed hardware.





The inverter system is divided into six sections:
  1. Inverter
  2. Charger
  3. Multivibrator
  4. Powerpack
  5. Sensors and Indicators
  6. Automatic changeover


8051 controller plays its major role in "Sensors and Indicators" section. 8051 is used to monitor the voltages and indicate status through LEDs. You can also find UPS test design for Proteus VSM simulator, to stimulate the design in case of any doubt. It is the same controller circuit as given in pdf. At89c2051 uses an active low to perform its operation from lm393 voltage comparator that's why a push button is connected to ground to test the circuit.

You can find pictures, code and small documenation that explains the working and block diagram of this project. Incase you have any doubts, feel free to post on our forum at www.8051projects.net/forum.html

I would link to thank Victor (ugoo5000) for sharing his great project again with us. Also I want to apologize for delay in uploading this project I should have done it earlier. Thanks Victor for great contribution to this webiste.

Visit following link to download this project:
8051 based Inverter/UPS with inbuilt Charging system
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Conversation

rawat742
Fri Aug 18 2017, 11:37 AM
hi @ angel patel i will attach a file i hope it will be helpfull for you
ExperimenterUK
Mon Aug 14 2017, 09:57 PM
@ angel patel... just log in and post your problem
Mon Aug 14 2017, 01:45 PM
angel patel
hey any one help to make the led scrolling display
desuza6
Sat Jul 29 2017, 07:09 AM
I see the code for step motor h l 298 to rotate 45 degree, but all delay time, if I want to input sensor to h the pulses to stepmotor
rammichael
Thu Jul 27 2017, 12:05 PM
okay fine
ExperimenterUK
Wed Jul 26 2017, 07:51 PM
Please post questions in the forum, the chat box is for chat
msd007
Wed Jul 26 2017, 11:27 AM
i need code if any one have aduc706 interfacing lcd 16*2
msd007
Wed Jul 26 2017, 11:26 AM
pl help me how to write code of interfacing ADuc7026 controlleo lcd pl any one help me hoe to initializend configure the direction
rammichael
Wed Jul 26 2017, 06:04 AM
can you explain what is timer and how to use their modes ...
rammichael
Wed Jul 26 2017, 06:03 AM
ExperimenterUk thank you for your quick reply okay

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Comments

kira113
Sat Aug 19 2017, 08:40 AM
Pirateak
Thu Aug 17 2017, 02:02 PM
sathishksk71
Wed Aug 16 2017, 04:47 AM
rawat742
Sun Aug 13 2017, 05:49 PM
alparslanbagriyanik
Fri Aug 11 2017, 08:10 AM
Thanhquan
Sat Aug 05 2017, 05:17 PM
NAMRATHA
Thu Aug 03 2017, 08:32 AM
Kgj
Tue Aug 01 2017, 12:41 PM

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Posted By kira113
Sat Aug 19 2017, 08:52 AM
hello everyone i write a simple program using c la...
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Sat Aug 19 2017, 02:47 AM
else x+=0x46; //print as ascill 0x41 to 0x46 A-F ...
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Posted By rawat742
Fri Aug 18 2017, 02:58 PM
Dear Sir, I have a another program in which I am a...
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Fri Aug 18 2017, 11:45 AM
LCD SCROLLING MESSAGE PROGRAM CODE AND SIMULATION...
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Fri Aug 18 2017, 11:24 AM
Dear Sir , I am not able to increased value by pre...
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Posted By rawat742
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Dear Sir, as per your attachment I w...
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Thu Aug 17 2017, 10:54 PM
Try this. Attachment ...
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Dear Sir , Please help me for stor...
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Posted By sathishksk71
Wed Aug 16 2017, 04:53 AM
Hi.. Iam refreshing c language using this useful r...
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Posted By ExperimenterUK
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The original 8051 is a primitive device.Over the ...