• × LM741 Operational Amplifier IC  1 × ₨20
• × 13003 NPN Transistor  1 × ₨20
• × BS170 Logic Level N-Channel Mosfet  1 × ₨15
• × STC-3028 Humidity and Temperature Controller (220VAC)  1 × ₨2,500

Subtotal: ₨2,555

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