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Bill of Material

Particle Argon     x 1

Sparkfun ZX gesture and distance sensor     x 1

4ohm-3W speaker     x 1

External Power Supply     x 1

Potentiometer     x 1

NPN Transistor     x 1

22 microfarad capacitor     x 1

2.2 kOhm resistor x 1

LED    x 1

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