COMPONENTS

1. ATMEGA8
2. GSM MODULE
3. LDR
4. BUZZER
5. IC-LM35
6. IC-LM7805
7. IC-LM7812
8. IC-LM324
9. MOC7811
10. CAPACITORS
11. RESISTORS
12. BLANK PCB
13. Fe2Cl3 CHEMICAL
14.  LEDS
15.  DIODES
16.  CONNECTING WIRES
17.  SOLDERING WIRE
18.  SOLDER
19.  16X2 LCD
20.  AVR STUDIO SOFTWARES
21.  AVR PROGRAMMER
22.  IC-SOCKETS
23.  ETC.

APPLICATIONS

1. In residential houses.
2. In Offices.
3. In industries..
4. In Schools and colleges.
5. In shops and malls.

1. It uses latest technologies.

2. No need of GPS for station detection.

3. No need of driver.

4. It uses obstacle sensors.

Further modifications :

In future, it can be use for long distance transportation. Like auto mode inter-metro train for running between two metro city….

ADVANTAGES

• Highly power efficient.
• Very simple design.
• Portability.
• compatibility with all USB port.

APPLICATIONS

• Room lighting.
• Office desktop lamp.
• Remote area lighting.
• Study lamp.

APPLICATIONS

1. In residential houses.
2. In Offices.
3. In industries temperature monitoring system.
4. In automobiles AC system
5. In shops and malls.

ADVANTAGES:

1. Very easy to control many switches automatically.
2. No risk of electric shock.
3. Reduction of manpower.
4. It can be used industry power supply system also.

FURTHER MODIFICATION:

In future, we can use GSM MODULE or RF module for wireless operation. Electromagnetic switches can be replaces by solid state semiconductor switches like thyristor, SCR, etc…

ADVANTAGES:

1. No need to look after water tank for overflow.
2. Save your electricity bill.
3. Prevent wastage of water.
4. Taking care of availability of water, anytime.
5. Tension free from switch ON or OFF of water pump.

COMPONENTS

1. ATMEGA16
2. IC-LM35
3. IC-LM7805
4. IC-LM7812
5. RELAYS
6. CAPACITORS
7. RESISTORS
8. BLANK PCB
9. Fe2Cl3 CHEMICAL
10.  LEDS
11.  DIODES
12.  CONNECTING WIRES
13.  SOLDERING WIRE
14.  SOLDER
15.  16X2 LCD
16.  AVR STUDIO SOFTWARES
17.  AVR PROGRAMMER
18.  IC-SOCKETS
19.  ETC.

APPLICATIONS

1. In residential houses.
2. In Offices.
3. In industries temperature monitoring system.
4. In automobiles AC system
5. In shops and malls.

TECHNICAL DETAILS

CPU: Central processing unit is the brain of AUTO MODE METRO TRAIN. It processes all inputs and gives corresponding outputs.

KEYPAD: Keypad is use to input password (0-9 digit) into microcontroller. Three switches are uses for function switches.

SEVEN SEGMENT: Seven-segment display is use to show inputted digits from keypad.

OPEN/CLOSE SWITCHES: NPN transistor is use to opening and closing of lock.

ADVANTAGES 

1. It uses low cost microcontroller.

2. very simple to use.

3. long length password.

4. low power consumption.

FURTHER MODIFICATION

In future, security system can be in-built with this lock like:

1. Wrong password input alarm.
2. Finger print sensor.
3. IR detector for theft.

ADVANTAGES

• Very low cost circuit.
• Small in size.
• Less power consumption.
• Easy to installation.
• Highly accurate temperature sensing.

APPLICATIONS

• It can be used for security purposes.
• Its can be used for Knockless door bell.
• It can be used for automatic control of door, curtain, etc.

ADVANTAGES:

1. It is made without microcontroller.
2. Simple analog circuit is use.
3. Very low cost design.
4. It is very compact.
5. Very sensitive LDR sensors.