Tags: rtech.pk

• × 4-channel relay control board with optocoupler 1 × ₨499
• × 1 Channel 5V Relay Module 1 × ₨160
• × High Sensitivity Microphone Sensor 1 × ₨250
• × Arduino Mega 2560 Board 1 × ₨1,499
• × LM2596S DC-DC 4.5-40V adjustable step-down power Supply module 1 × ₨190
• × Digital Fan Dimmer with Remote Control Feature - China Fitting (BackLock) 1 × ₨1,150
• × Arduino Nano 3.0 controller 1 × ₨449

Subtotal: ₨4,197

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