Home :: Do it Yourself Kits :: ATmega8 Based Smart Code Lock KIT

ATmega8 Based Smart Code Lock KIT

ATmega8 Based Smart Code Lock KIT
ATmega8 Based Smart Code Lock KIT ATmega8 Based Smart Code Lock KIT
SKU SKU00222  
Weight 250.00 grams
Assembled ?
 
Our price: Rs631.00 ($13.14)
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Looking for a MINI project to submit in school or college? Then this may be perfect for you! Built using ATmega8 microcontroller that is accepted in most university of India. Much more advance than a 8051 MCU. Project is complete with full project report ready to be submitted!

Project Abstract

This device can be used to code protect any electrical device (like an electronic door, lock or safe). The user must enter a correct password to gain access. The password is entered using the built in 44 keypad matrix. The main LCD Module is used to display messages to the user. As soon as correct password is entered the relay is activated. This is indicated by a LED which is placed near the relay. The relay remains on as long as the user wishes. You just need to press a key to deactivate the relay.

After typing four digit password you must press the "OK" button (S8). At anytime you may press the "Cancel" key (S12 )to clear the input (e.g. when you enter any incorrect digit)

The smart code lock has the feature to change the password too. For this enter a special password which is 0000′, as soon as the system receives this special password it switches to change password mode. Here you need to enter the old password to gain permission, then enter the new password.

The smart code lock also support power saving feature. The backlight of LCD turns off automatically when the system is idle for few seconds. The cool thing about this is that it uses PWM to control the brightness of LCD Backlight. So the dimming is very smooth and it is like those used in many mobile phones.

This is the complete DIY Kit for AVR Based Smart Code Lock Project. Nice for learning microcontroller programming by actually making a working project. Our projects are highly documented and easy to make. The KIT includes a pre-programmed microcontroller, PCB and all parts. Detailed build instructions and firmware available here at

DIY= Do It Yourself

  • Highest rate of success.
  • Least confusion.
  • Least frustration.
  • More motivation.

Bill Of Material

Part List
     
Rate
Qty
Amount
01 330 ohm resistor (2 Nos) R3, R5
0.3
2
0.6
02 4k7 Resistor (3 Nos) R2, R4, R6
0.3
3
0.9
03 200 Ohm Resistor R1
0.3
1
0.3
04 0.1uF Ceramic Disk Capacitor (4 Nos) C1, C3, C4, C5
0.5
4
2
05 1N4007 Diode (2 Nos) D1, D3
1
2
2
06 LED 5mm Any Colour D4, D2
1
2
2
07 ATmega8L-8PU General purpose 8 bit MCU U1
80
1
80
08 7805 Voltage Regulator U2
8
1
8
09 Power Connector 2 Way CON1
8
1
8
10 PCB Mountable Relay RL1
15
1
15
11 On/Off Switch SW1
6
1
6
12 DC Socket X1
6
1
6
13 16x2 LCD Module LCD1
170
170
170
14 10K Preset (Blue Plastic POT) RV1
6
1
6
15 28 PIN Narrow IC Socket  
6
1
6
16 BC548 Transistor(2 Units) Q1, Q2
1
2
2
17 Push Buttons (16 Units)  
6
16
96
18 ATmega8 Based Smart Code Lock PCB  
90
1
90
     
 
Total
446
      IC Programming
+50
      Packing
+30
      Engineering & Maintenance*
+50
      MRP
631

* Engineering & Maintenance charges the time and effort required to realize the project. It basically includes the charges paid to the engineers and designers who conceptualize the project, makes schematics and PCB layouts, write and debug programs, finally makes the project usable by providing documentation which includes writing knowledge base articles, taking photographs, making extensive graphics etc. The charge also includes the hosting cost of the project and relevant files on the server.

AVR Based Code Lock

Fig.: ATmega8 Based Code Lock

+10
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Seven Segment Display CC Green
Seven Segment Multiplexed Display Module CC
40 PIN 8051 Development Board
Seven Segment Display CC Green Seven Segment Multiplexed Display Module CC 40 PIN 8051 Development Board
Rs9.00
Rs50.00
Rs459.00
 
Chassis Acrylic
FT232RL Based USB to UART Bridge
Single Pin F/F Burg Wires
Chassis Acrylic FT232RL Based USB to UART Bridge Single Pin F/F Burg Wires
Rs180.00
Rs566.00
Rs50.00
 
Graphic LCD - 128x64 Blue B/L
USB to UART Bridge - TTL Signals - CP2102 Based (M2)
8 Pin IC Socket
Graphic LCD - 128x64 Blue B/L USB to UART Bridge - TTL Signals - CP2102 Based (M2) 8 Pin IC Socket
Rs848.00
Rs499.00
Rs1.50

Product rating

Customer Reviews

  • Author: bharat kumar
    Great project. Working perfect. Wonder if we can interface a membrane keypad instead of buttons.
  • Author: frank11
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