The main purpose of designing this project is to prevent loss of current unnecessarily during day time. During night the bulb will automatically glow . COMPONENTS REQUIRED : RELAY LIGHT EMITTING DIODE (LED) LIGHT DEPENDENT RESISTOR (LDR) PASSIVE INFRARED SENSOR (PIR) RESISTOR (1k ohm) DIODE TRANSISTOR (BC547) BATTERY (POWER SOURCE)

1. Automatic Light Control using LDR and PIR
SUBMITTED BY GUIDED BY
ZIA (011 112 020) Mr. MD. ARIF REZA ANWARY
Assistant Professor
CSE ,UIU
UNITED INTERNATIONAL UNIVERSITY
Department of Computer Science and Engineering
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2. OVERVIEW OF MINI PROJECT
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• The main purpose of designing this project is to prevent
loss of current unnecessarily during day time.
• During night the bulb will automatically glow .

3. COMPONENTS REQUIRED
 RELAY
 LIGHT EMITTING DIODE (LED)
 LIGHT DEPENDENT RESISTOR (LDR)
 PASSIVE INFRARED SENSOR (PIR)
 RESISTOR (1k ohm)
 DIODE
 TRANSISTOR (BC547)
 BATTERY (POWER SOURCE)
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4. COMPONENTS OVERVIEW
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5. CIRCUIT DIAGRAM USING LDR (Hand Draw)
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6. Simulation (Using Proteus)
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7. CIRCUIT DIAGRAM OVERVIEW USING PIR (Hand Draw)
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8. Real Time Images For Circuit Design in
Breadboard Using LDR
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9. Real Time Images For Circuit Design in
Breadboard Using LDR
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10. Real Time Images For Circuit Design in
Breadboard Using PIR
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11. Real Time Images For Circuit Design in
Breadboard Using PIR
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12. Real Time Video For Circuit Design in
Breadboard Using LDR
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13. Real Time Video For Circuit Design in
Breadboard Using PIR
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14. Measurement Of The Room (Hand Draw)
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15. Room Front View
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