Item-Cost/item:-     

Sensor-Rs. 213

Opamp-Rs. 288

BJT-Rs. 2

Resistor-Rs. 8

Rectifier-Rs. 38

Transformer-Rs. 505

Regulator-Rs. 343

Capacitor -Rs. 8

Inverter-RS. 40

Total for 2 prototypes - Rs. 2890
PCB cost for 2 prototypes - Rs. 5000
Assembly Cost for 2 prototypes - Rs. 20000
Fabrication cost for 2 prototypes - Rs. 1000

Final total cost - Rs. 28890