I have access by two lecture Miss NURUL HUSNA MOHD RAIS and DR. MOHAMAD ISMAIL SULAIMAN.
I have ask about the functionality of the my project. I have been access around 20 minute
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| Lamp 1 and fan ON |
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| LCD display the number of people |
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| Lamp 2 will ON |
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| LCD display the number of people come IN |
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| From Left: 2N 3905 Transistor 2N222, Capacitor 1uF (50v), Infrared LED, IN4007 |
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| From Left: 555 IC, Capacitor 0.1uF, Red LED, Green LED, IC socket 8 pin, Capacitor 100uF(50v), Relay 12V, PIN Header |
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| Put all resistor and diode. Solder all the component |
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| Put the IC Socket and solder it |
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| Put the transistor and solder it |
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| Solder the Capacitor, LED and Relay |
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| Put Infrared LED and transistor 2N 3905 |
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| The Proximity circuit done |
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| Circuit Diagram for PIC 16F877A |
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| Example of relay use |
Quantity
|
References
|
Value (Ω)
|
Order Code
|
1
|
R1
|
3k3
|
M100K
|
4
|
R2 R6 R8 R12
|
100k
|
M100K
|
1
|
R3
|
1k4
|
M100K
|
1
|
R4
|
47R
|
M100K
|
1
|
R5
|
47R
|
-
|
1
|
R7
|
10k
|
M100K
|
2
|
R9 R11
|
1k
|
-
|
1
|
R10
|
100r
|
M100K
|
Quantity
|
References
|
Value (Ω)
|
Order Code
|
2
|
C1 C3
|
1u
|
Farnell 499-717
|
1
|
C2
|
100n
|
|
1
|
C3
|
1oou
|
Maplin VN60Q
|
Quantity
|
References
|
Code
|
Order Code
|
2
|
U1 U2
|
555
|
-
|
Quantity
|
References
|
Code
|
Order Code
|
3
|
Q1 Q2 Q4
|
2N3904
|
-
|
1
|
Q3
|
2N3905
|
-
|
Quantity
|
References
|
Code
|
Order Code
|
2
|
D1 D2
|
1N4007
|
-
|
Quantity
|
References
|
Code
|
Order Code
|
3
|
J1 J2 J4
|
CONN-SIL
|
-
|
2
|
J3 J5
|
-
|
-
|
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| Circuit Diagram for Proximity Circuit |