Thursday, 14 February 2013

FYPII-CIRCUIT FOR TRANSISTOR DRIVE RELAY

CIRCUIT FOR TRANSISTOR DRIVE RELAY

1.      List of component for build up circuit for transistor drive relay.
From left: Relay 12V, Transistor NPN 2222, Resistor 1 Kilo Ohm, LED, Diode


2.      Circuit Transistor Drive Relay

3.  Insert resistor 1KΩ

4  Insert resistor 1KΩ
5.     Solder legs resistor using iron lead.
6.Cut leg resistor had been soldering
7.The location for resistor is above
8.Insert Diode
9.Solder legs diode using iron lead.
10.The location for  diodes is above.
11. Insert Transistor NPN 2222
12.Solder legs Transistor NPN 2222 using iron lead
13.Cut leg Transistor NPN 2222   had been soldering
14.Insert Relay 12V
15.Solder legs Relay 12V using iron lead
 16.Insert LED
17.Solder LED legs
  18.Insert pin header and afterwards solder the pin header legs
20.The circuit Transistor Drive Relay as above.













Tuesday, 5 February 2013

Wednesday, 30 January 2013

FYP II-BILL OF MATERIAL FOR PROXIMITY SWITCH (REFER SCHEMATIC CIRCUIT PROXIMITY)


12 Resistors
Quantity
Reference
Value
1
R1
3K3
4
R2,R6,R8,R12
100K
1
R3
1K
1
R4
47R
1
R5
47R
1
R7
10K
2
R9,R11
1K
1
R10
100Ω

4 Capacitors
Quantity
Reference
Value
2
C1,C3
1µF
1
C2
100nF
1
C4
100µF

2 Integrated Circuits
Quantity
Reference
Value
2
U1,U2
555

4 Transistors
Quantity
Reference
Value
3
Q1,Q2,Q4
2N3904
1
Q3
2N3905

5 Miscellaneous
Quantity
Reference
Value
3
J1,J2,J4
CONN-SIL2
2
J3,J4