• × 1N4007 Diode 1A for Rectifier 1 × ৳ 4.00
• × 100K Ohm 1/4 Watt Resistor 1 × ৳ 0.50
• × 680 Ohm 1/4 Watt Resistor 1 × ৳ 0.50
• × 2200uF 16V Electrolytic Capacitor 1 × ৳ 25.00
• × 680K Ohm 1/2 Watt Resistor 1 × ৳ 1.00
• × 28 pin IC base 1 × ৳ 12.00
• × ATtiny45 1 × ৳ 230.00
• × Ceramic Capacitor 102 (1000pF) 1 × ৳ 5.00
• × 20000/30000mAh 3.7V to 5V Dual USB Power Bank Circuit Module with LCD Display Dual Led Light 1 × ৳ 224.00
• × 40 pin IC base 1 × ৳ 20.00
• × DC-DC Step Down Buck Converter 12-5V L2596S 1 × ৳ 100.00
• × 390 Ohm 1/4 Watt Resistor 1 × ৳ 0.50
• × Thermoelectric Peltier Cooler TEC1-12715 1 × ৳ 750.00

Subtotal: ৳ 1,372.50

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