PASSWORD BASE DOOR LOCK SYSTEM USING ATMEGA8

INTRODUCTION:

Using embedded system we have created a world which is safe and more reliable. To make it safer today we are going to introduce you to password based door lock system. The traditional lock systems are not safe as anyone can break them. But the digital lock system are genuine consisting of a keypad which is installed at the side hedge of the door, through which password can be entered and the door will only open in case of password match.

CIRCUIT DIAGRAM: 

 

TECHNICAL DESCRIPTION:

A). HARDWARES:

1. Micro controller:

Atmega8 is the 8 bit microcontroller which belongs to Atmel family. It is operationally rich, which could perform various operations like PWM, UART, SPI, I2C, ADC etc.

2. DC motor:

The L – shape single shaft dc BO motor provides good torque. Small size and light weight makes it suitable for the circuit.

4. L293d:

L293D is a motor driver IC which uses H- bridge network to control the speed of motor. It is frequently used in robots due to its small size.

5. LCD:

Liquid crystal display is the display device which is thinner than the CRT. It is very simple device which is commonly used in many circuits.

6. Push Button

B). SOFTWARE:

1. Atmel Studio
2. Proteus

WORKING:

Working principle of this project is very simple. The software part is written in Atmel Studio in Embedded C and verified on Proteus. There is a keypad which is formed by using 16 push buttons. When we will press these buttons then Atmega8 microcontroller will start getting the value corresponding to the button. Once we enter the 4 digit password, the Atmega8 microcontroller compares it with the already stored password. In case of password match, the motor will start rotating and there will be a message appearing on the LCD as “Matched”. Otherwise the motor will remain still and now the message on the LCD will be “Wrong Password”.

CONCLUSION:

The password based door lock system is a simple project which provides high security and we can make it by using commonly available components. It can be used at residential places or in an organization to keep secure the confidential information. The main disadvantage of this project is once you will forget the password then it will be too hard to open the door. 

 

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AVR based counter with programming

Firstly we should know about AVR, the creator of AVR was not having proper word to describe their creature but AVR stands for

A= Alf ( Egil bogen )

V= vegard (wollan)

R= RISC

RISC stands for reduced instruction set computing. It’s a CPU based design strategy insight to identify or simplify instruction set, which provide high performance when it combines with a microprocessor or microcontroller architecture, which is capable to execute those instruction which are using fewer microprocessor or microcontroller cycles per instruction.

AVR stands in computer are AUTOMATIC VOLTAGE REGULATOR. AVR is hardware used to control/ maintains voltage for electronic equipments, AVR is capable for identify & understand the human voice

Note that the use of ‘AVR’ in this article generally refers to 8 bit RISC line of Atmel AVR microcontrollers.

What is Atmel? Basically AVR is a modified Harvard architecture of 8 bit RISC single chip microcontroller; it was developed in 1996 by Atmel. It is an American based designer and manufacturer of semiconductors.

Object counters are used for applications like counting the number of visitors at supermarkets and other public places, the project presented here the demonstration the working of an object counter suitable for industrial applications. It is an AVR Microcontroller (MCU) based full featured programmable counter. In the industry of manufacturing, before the product is ready, the product will go under many stages of manufacturing process. First, the operator enters the product under counting using AVR Microcontroller (MCU) from monitoring console. Circuit operation is done using the software program into the internal memory of the AVR MCU. The program implementation required some functionalities like handling user input (push button/sensors/toggle switches), LCD for display message and relay for making on & off concept with security. There are some projects based on AVR microcontroller.

1) BLDC motor controlling through AVR controller

2) Detection of finger print using AVR

3) Un-interruptible bench top Frequency measurement using AVR counter based project ETC

 

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Ahmedabad +91-9227185900
Pune +91-7387700416

Good news for Manufacturing sector (specially Electronics): Recent Initiatives: Make in India

1)      Dutch Telecom Major SCARLET (internet service & telephony provider) is Establishing factory in Greater Noida in200 Acres of Land.

2)      Currently there is no electronic chip manufacturing or semiconductor wafer fabrication plant ( FAB units) in India and 100% of domestic electronics requirement is met through imports. Electronics cluster, a consortium of electronics manufacturing companies & their ancillary services is being set up at 210 acres land in Greater Noida & YEIDA. A total of 22 manufacturing units will be set up & will create 2 Lakh jobs.

3)      FOXCONN INTERNATIONAL HOLDINGS, Taiwan tying up with Adani for electronics manufacturing in 4 states in India (KAR, AP, MAH, GUJ), setting up 10-12 facilities by 2020 to manufacture phones tablets Tvs. Work has already started in Sri city AP to turn out 10000 phones per day for Xiomi.  Foxconn makes phones for number of global brands including apple, Motorola, Huawei, Blackberry &sony. An estimated 5 Billion Dollar investment

4)      Jaypee& IBM setting up chip manufacturing facility in Greater Noida. HSCL, ST Micro Electronics Ltd setting up second chip manufacturing facility in Gandhinagar Gujarat. Both these units will come up with an investment of 70000 Cr, expected to generated 20 Lakh direct or indirect jobs.

5)      Sony is set to make in India, its products will be contract-manufactured by Foxconn at its upcoming facilities in India. Currently Sony sells electronics in India, imports from its plants in Thailand, China, Malaysia, Japan. Local manufacturing will be cheaper by 11%.

6)      Motorola is setting up manufacturing facility in Chennai. This will be their third manufacturing location for the company after China & Brazil.

7)      Iphone makerFoxconn investing 5 BD in Maharashtra, signed an MOU with Mahgovt for semiconductor manufacturing facility at Talegaon near Pune. Will generate 50K jobs.

8)      General Motors US Automotive giant investing 1BD in automobiles factory near Pune Mah.

9)      Xiaomi ties up with Foxconn to make in India. Rolls out first phone from AP unit.

10)   Posco setting up 1^st steel plant in India. Ties up with Uttam Galva of Miglani group with an investment of 3 bd.  This scale up activity will be 30000 crinvestment.

11)   Adani&Foxconn (Taiwan), Softbank (Japan) tying up for 3 Giga watt Solar cell project in Gujarat with 3 BD investment. Foxconn (Taiwan), Softbank (Japan) &Bharti enterprises has already pledged 20 BD investment in india for solar energy.

12)   Lava starting Mobile manufacturing unit in Yamuna Expressway at 100 acre land. 2000 crinvestment, will create jobs for thousands will manufacture Lava &Xolo brands.

13)   LED Lighting product majorEon Electric Limited is setting up 100 acre LED manufacturing plant in Yamuna expressway in  sect0r 24 &37 with an investment of 2000 cr.

14)   Ericsson telecom equipment maker investing 1250 cr in setting up second manufacturing unit near Pune.

15)   Taiwanese Technology companyAU Optronics corporation and its India partner Twin Star technology ( Vedanta group) investing 6000 Cr, 170 acre land for an LCD Panel manufacturing plant in Noida. In total company investing 40000 cr in manufacturing LCD TVs, solar panels, and mobile displays.

16)   One Plus chines smartphone maker is partnering with Foxconn to make phones in Sri city AP. Will create 1000+ jobs.

17)   MarutiSUZUKI  going to make India exclusive global hub for manufacturing  byExporting the premium compact car BALENO from INDIA to JAPAN  and 100 countries including west Europe.Baleno is placed above SWIFT and will be in global market of ITALY,FRANCE, GERMANY, NETHERLAND, BELGIUM,DENMARK,SPAIN etc.  CHILE and PARAGUAY will do model development in south America.

18)   SANY GROUP &CHINT GROUP the two Chinese are investing around 5 billion dollar in Heavy machineries &renewable energy sector ,will create 1000+ jobs.Sany group has committed to invest 3 billion in next 3 years  in wind turbines and Chint will invest 2 billion in solar projects. Sany have already entered india in 2002 with 269 employees in its firm at Chakan and Pune which deals in construction of cranes and concrete machinery.

19)   The Indian ESDM (electronics system design and manufacturing) industry imports are third largest next to OIL and gold and is going toexceed  OIL imports by 2020.

20)   According to national policy on electronics 2012 the Government of India has planned to transform India into a premier ESDM hub. The plan involves to achieve a 400 billion USD turnover till 2020 and will employ the 27.8 million population. Policy includes setting up of EMC (ELECTRONIC MANUFACTURING CLUSTERS) at different places in India. M-SIPS(MODIFIED SPECIAL INCENTIVE PACKAGE SCHEME) are initiated already with 10,000 cr rupees investment .

21)   INDIAN electronics industry is worth 1.75 trillion dollar.ELECTRONICS INDUSTRY in INDIA will increase five times more over the next 7 years .Employment opportunity will rise from 16 lac to 90 lac directly in DESIGN, MANUFACTURING, SALES and after sales service. Even for 10th pass unemployed youth.Schemes to enhance electronics are. MAKE IN INDIA, DIGITAL INDIA, ZERO ELECTRONICS IMPORT  AND SKILL INDIA etc.

22)   PM launched flagship project Digital India in Jul 15. 450000 Cr investment pledged by Ambanis, Bharti, Tatas, &Birlas ….will create 18 Lakh jobs.

23)   NTT COMMUNICATIONS, the $112 billion Japanese giant and the world largest data centre company is queuing to open INDIA’s largest DATA CENTRE.  And to add 3 more to its FACILITIES CENTRES.The company entered India with acquiring NETMAGIC and opened its ninth facility spread over 3 lakh sq. ft. largest in country with Rs 700 cr investment.  

24)   The South Korean industrial conglomerate HYOSANG COORPORATION announced it would setup a manufacturing unit at KHED CITY.Total investment in development will be Rs 900 crore.In khed city 11 plants are running already and 6 are under construction. Total 37 companies have been involved in setting manufacturing plant in khed city along with hyosang to produce high voltage switch gears, & related accessories.

25)   Some domestic companies are also planning to invest around Rs2000 crore in telecom and equipment manufacturing in India.Companies include MICROMAX, KARBONN, LAVA, CELKOM, VIPIN COMMUNICATIONS which are planning to invest in TIRUPATI AP.Wivtak technology and Guangdong and speaker manufacturer HUICHENG ACOUSTIC TECHNOLOGY are also setting shop in 120 acre area which will provide 10,000 jobs.

26)   Boeing is looking for Assembly unites for fighter planes and Apache or Chinook defence helicopters.

27)   Tesla planning battery plant in India.

28)   India’s ease of doing business ranking improving/jumped 12 places.

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Embedded System Training is a Big hit at Noida- Sofcon

Embedded system has emerged as an integral part of almost all major sectors involving technology. Be it communication, electronics, electrical, name any and it has the application. This has considerably pushed up demand for workforce trained in embedded system which has sent the number of students enrolling in IT training institutes for such courses soaring.

Noida being a semiconductor design hub with some big names in the industry present, along with huge presence of IT sector here, has led to embedded system training providers to do rather well. "Number of students opting for embedded systems is increasing at a staggering rate," said Pravjot Singh, director and COO of EmbLogic Embedded Technologies. "There is an increased realisation that embedded systems is not merely for electronics engineering students, but also for students from streams like computer science, telecommunications, electrical and instrumentation technology."
EmbLogic is a technology design, integration and devices realisation company, providing end-to-end embedded solutions for product development and deployment based in Noida. Institutes state that they have seen 30 to 50 percent growth in student registration annually in last five years.

However, they point out that it is still not enough to meet the rising demand for engineers. "It is still way short of the required mark. At this rate it will take minimum 10 years for Indian market to have sufficient number," said Singh. He added that even in other countries, growth rate is hovering around 30 percent approximately.
Singh pointed out that only 3 percent of required skilled workforce is available in India. This has resulted in heavy losses to design/product based companies as the work has to be outsourced abroad. But players unanimously say that the change in trend towards embedded system training is definitely heartening to see. Main reason attributed to increase in number of students enrolling is the rising awareness among students about its prospects.

"Numerous companies have demand for embedded engineers with experience in designing and implementation," said Vikas Kalra,technical marketing director, Sofcon, another leading institute from Noida. "We can say good placement opportunity and tremendous growth is the main reason for increase in number of students enrolling."

Kalra said that Noida is always the first choice for students to undergo training on various cutting edge technologies like embedded systems. "Major players of semiconductor industries like Cadence, Freescale, Mentor Graphics and others are present in Noida, and it definitely helps students to learn about placement requirements and recruitment cycle." He added that SOFCON also invites officials from these companies to visit institute and give guest lectures and students interaction to enrich their learning experience.

The training basically trains students to design embedded devices. It involves Hardware designing, embedded C programming, firmware design, Linux operating system internals, embedded operating systems design, device driver development, protocols design and implementing, embedded processors design and architecture, embedded applications development.

The main reason that necessitates training in embedded design is the ever-changing technology. It is the most dynamic aspect of any industry and a person regularly dealing with it needs to be updated.