• × 28 Pin IC Base  1 × ₨10
• × 100 Ohm 1/4 Watt Resistor  1 × ₨1
• × TTP223 Touch Sensor  1 × ₨50
• × LM741 Operational Amplifier IC  1 × ₨20
• × 74LS06 Hex Buffer Inverter IC  1 × ₨30
• × 74LS04 Hex Buffer Inverter IC  1 × ₨30
• × Max7219 LED Display Driver IC  1 × ₨160
• × 8x8 Dot Matrix Dual Colour (Large Size)  1 × ₨60
• × 270 Ohm 1/4 Watt Resistor  1 × ₨1

Subtotal: ₨362

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