12 Ohm 1/4 Watt Resistor
1 × ₨1
5x5x25mm Coupling
1 × ₨100
MQ 2 Gas/Smoke Sensor
1 × ₨220
Rain Sensor
1 × ₨120
BS170 Logic Level N-Channel Mosfet
1 × ₨15
Analog Multimeter (SUNMA YX960)
1 × ₨850
LM741 Operational Amplifier IC
1 × ₨20
CD4060B Binary Counter IC
1 × ₨30Subtotal: ₨1,356
12 Ohm 1/4 Watt Resistor
1 × ₨15x5x25mm Coupling
1 × ₨100MQ 2 Gas/Smoke Sensor
1 × ₨220Rain Sensor
1 × ₨120BS170 Logic Level N-Channel Mosfet
1 × ₨15Analog Multimeter (SUNMA YX960)
1 × ₨850LM741 Operational Amplifier IC
1 × ₨20CD4060B Binary Counter IC
1 × ₨30Subtotal: ₨1,356
Pin Configuration:
1Clock
2Clock Inhibit
3Ripple Blanking In
4Ripple Blanking Out
5Carry Out
6 Seven Segment F
7 Seven Segment G
8Ground
9 Seven Segment D
10 Seven Segment A
11 Seven Segment E
12 Seven Segment B
13 Seven Segment C
14 Lamp Test
15 Reset
16 Vcc
