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Keypad programming for 8051

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THE C CODE VALUES

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Microcontroller programmer

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Last post by ExperimenterUK    Fri Jan 12 2018, 06:49 PM
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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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Simple 3 Digit Temperature Meter





This project is a simple temperature meter using LM35 analog sensor connected to PIC microcontroller PIC16F676. The temprature is displayed on 3 digit 7-segment display. Project code is written in C language for CSS compiler for PIC. Here are few things that you can expect to learn from this project:

1. Using Analog port of PIC Microcontroller
2. Interfacing LM35 temperature sensor
3. Interfacing 7-segment display
4. Multiplexing multiple 7-segment display

Simple yet so much to learn in this project. If you are a starting to learn microcontrollers then this is your project. The download package also includes a proteus simulation so you can modify and test this code before building the actual hardware.

I want to thank Rakesh Suthar for submitting this project. I hope to see more learning oriented project from him.

Download Package Content:
  • main.c : Project C code
  • main.hex : Hex file
  • schematic.PDF : Schematic file
  • lm35-temp-meter.pdsprj : Proteus simulation Project file


If you have any questions or queries on this project feel free to ask in forum.

Download Here: Simple 3 Digit Temperature Meter

Tags Digital temperatureLM35PIC Microcontrolled LM35
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LED Scrolling message Display using 8051





This Project is a scrolling LED matrix display project using 8051 (AT89S52) controller and 24C16 EEPROM. This LED matrix project is designed to work flexibly to handle 1x18 matrices of 8x8 LEDs or 1 to 29 matrices of 5x7 LEDs. The total matrices support can go higher if a controller with higher RAM is used. You do not need to do any change in the program for that. There is also a software provided to upload your message from PC to EEPROM.

This project is submitted by Pratik Suthar of Government Engineering Collage, Dahod (Gujrat). I really want to thank him for his contribution to Rickey's World.

Now a working video of the project:



Download this project: LED Scrolling message Display using 8051
Tags led matrixmatrix display8051 matrix displayscrolling message displayscrolling led matrix displayscrolling led display 8051
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Smart Home using GSM, Bluetooth and Android



This project demonstrates a great concept of Home automation using a Smart Home Device which can control things automatically by taking decisions based on sensor network and external events or manual control using your phone over Bluetooth or GSM. Which means if you are inside the house you can use You can control your appliances using bluetooth when outside use your GSM phone (over SMS).



This project uses AVR controller ATMega328 running Arduino firmware. There are a number of sensors connected to the controller some on GPIOs and some via Analog ports. Here is a short list of sensors:
1. Temperature Sensor (LM35)
2. PIR Sensor
3. Light Sensor (LDR)
4. GAS Sensor

Wireless modules used in this project:
1. SIM300 GSM Module (SIM900 can also be used)
2. HC-05 Bluetooth Module

There is also a provision for controlling 4 AC appliances. One LCD is also connected to show real-time status of all the sensors.

This project gives a good hands on practice on AVR controller and Arduino firmware programming. With various communication options one can get good experience on wireless communication. Further more there are endless possibilities of expanding this project. So you really need to turn your brains on and think of what more you can do with this.

Project also includes complete documentation including Synopsis, Project report and final presentation. But don't get carried away with these goodies. Learn and Build this project so it can benefit you in future

I really want to thank Gaurav Khadasane once again for submitting this wonderful project and bringing lot of things together to learn in a single project.

Go to download section to download this project: Smart Home using GSM, Bluetooth and Android

Finally the working Demo:

Tags bluetooth home automationhome automation using gsm modemsim900smart home using gsmsmart home project bluetoothandroid controlled smart homehome automation androidPIR sensorLPG gas sensorHC-05 bluetooth module
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Conversation

Sat Feb 24 2018, 03:35 AM
Aaquib
I want help for digital ic tester
ExperimenterUK
Tue Feb 20 2018, 04:01 PM
Join up.. and post your problem
Mon Feb 19 2018, 11:17 AM
ashishkumar
i needs help for my project
Mon Feb 19 2018, 11:16 AM
ashishkumar
can i join you guys
ExperimenterUK
Sun Feb 04 2018, 09:38 PM
Hi Dave. Good to see you.
DavesGarage
Tue Jan 09 2018, 07:55 PM
It's been a few years since I poked around here - Hi all...
ExperimenterUK
Mon Jan 08 2018, 07:19 PM
Hi TPS. it's been a while..
۞ TPS ۞
Sun Jan 07 2018, 06:42 PM
hello
Thu Jan 04 2018, 01:50 PM
sayyad affrid
its AT89S52
Thu Jan 04 2018, 01:50 PM
sayyad affrid
sir, i want embedded c code for ultrasonic sensor having buzzer interfaced with AT9S52

Downloads

Comments

Manojsanghavi
Sat Feb 24 2018, 12:47 PM
Daro12_76
Wed Feb 21 2018, 05:01 PM
radhikanathani
Wed Feb 21 2018, 06:55 AM
Narayani
Wed Feb 21 2018, 04:10 AM
Parth09
Tue Feb 20 2018, 07:53 AM
goutham
Mon Feb 19 2018, 02:49 AM
kks
Sun Feb 18 2018, 05:59 PM
justotemon
Sat Feb 17 2018, 07:14 AM

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Forum Activity
Manojsanghavi Avatar
Posted By Manojsanghavi
Sat Feb 24 2018, 01:03 PM
Dear allCan someone please help me on how to progr...
Ansh12 Avatar
Posted By Ansh12
Fri Feb 23 2018, 07:10 PM
sbit E = P0^7; //E pin for LCD //use port 0sb...
ExperimenterUK Avatar
Posted By ExperimenterUK
Fri Feb 23 2018, 02:43 PM
sbit NOT #definesbit E = P0^7; //E pin for LCD ...
Ansh12 Avatar
Posted By Ansh12
Fri Feb 23 2018, 01:55 PM
change your defines tosbit E = P0^7; //E pi...
ExperimenterUK Avatar
Posted By ExperimenterUK
Fri Feb 23 2018, 01:12 AM
Add pull- ups for EN and RS.change your defines t...
Ansh12 Avatar
Posted By Ansh12
Thu Feb 22 2018, 01:36 AM
Can you post your Proteus files.ExperimenterUKThan...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Feb 21 2018, 09:07 PM
The code you refer to is to drive the circuitshown...
ExperimenterUK Avatar
Posted By ExperimenterUK
Wed Feb 21 2018, 05:41 PM
Can you post your Proteus files.You will need pull...
radhikanathani Avatar
Posted By radhikanathani
Wed Feb 21 2018, 02:39 PM
I want to design a system for vehicle tracking and...
Narayani Avatar
Posted By Narayani
Wed Feb 21 2018, 04:17 AM
Hello,Your tutorial really helped me understand st...