Summer Training Project on digital keypad controlling at DRDO - Free Final Year Project's

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Sep 9, 2009

Summer Training Project on digital keypad controlling at DRDO

This is the Summer Training Project on digital keypad controlling at DRDO.The report contains the following pages:-

CONTENTS:-
1. OBJECT. 8
2. CIRCUIT DESCRIPTION. 8
3. CIRCUIT DIAGRAM. 13
4. CIRCUIT WORKING. 14
5. INTRODUCTION OF IC’s. 17
6. DESCRIPTION OF COMPONENTS.
1. DM74LS02 20
2. DM74LS247 22
3. DM74LS75 27
4. DM74LS93 29
5. DM74LS139 33
6. DM74LS154 36
7. DM74LS175 38
8. DM74LS08 41
9. NE555 42
10. COMPONENT USED 45

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