• × IRF9540 P-Channel Mosfet Transistor  1 × ₨50
• × 40Watt CO2 Laser Engraving and Cutting Machine Power Supply  1 × ₨25,000
• × 74LS05 Hex Inverter IC  1 × ₨30
• × KBPC5010 Bridge Rectifier  1 × ₨100
• × CA3140 Operational Amplifier IC  1 × ₨50
• × 3mm Nokia Female PCB Barrel Connector  1 × ₨5
• × 27 Ohm 1/4 Watt Resistor  2 × ₨1
• × 74LS04 Hex Buffer Inverter IC  1 × ₨30
• × RJ-12 Connector  1 × ₨5

Subtotal: ₨25,272

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