Circuit Design
CIRCUITS DESIGN ON BREADBOARD
BY-VAIBHAV JINDAL
Breadboard Connections
?
Equivalent Resistance if each resistance is of 10K..
LED
R2
330
D1
LED-BLUE
+9V(Positive of Battery)
Ground - Negative of Battery
IC’s Pin No.
DIP IC
Capacitor
R
4
DC
7
Q
3
GND
1
VCC
8
TR
2
TH
6
CV
5
U1
NE555
R1
10k R2
330
+9V(Positive of Battery)
C1
1000u
D1
LED-BLUE
R3
10k
Negative of Battery
LDR
POD
R
4
DC
7
Q
3
GND
1
VCC
8
TR
2
TH
6
CV
5
U1
NE555
R1
1k R2
330
+9V (positive of Battery)
Negative of Battery
32.1
LDR
STEP=
C1
1000u
D1
LED-BLUE
POT
10K
UM66
UM66T
BC548
Zener Diode
Light operated bell
Bread board Design
Light operated bell
Circuit on bread board
Circuit on bread board
Circuit on bread board

Circuit on bread board