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    LM2596 DIP IC
    LM2596 DIP IC
    1 X  90 =  90
    1-Channel 5V Arduino Relay Module
    5V 1-Channel Relay Module
    1 X  150 =  150
    MQ8 Hydrogen Gas Sensor Module
    MQ8 Hydrogen Gas Sensor Module
    1 X  330 =  330
    HC-06 Bluetooth Module
    HC-06 Bluetooth Module
    1 X  650 =  650
    AMS1117 Voltage Regulator 3.3V IC
    AMS1117 Voltage Regulator 3.3V IC
    1 X  50 =  50