- Toggle switch, single pole single throw
 - 9V battery
 - 9V Battery connector
 - 0.047µF capacitor
 - 220µF capacitor (biggest)
 - 0.01µf capacitor
 - 100µf capacitor
 - Hookup wire, 2 0 or 22 gauge AWG solid core is best.
 - 5KO potentiometer (audio or log taper)
 - 25-ohm (25O) rheostat
 - LM386N audio amplifier
 - 8-pin DIP IC socket
 - Chicken head knobs (2)
 - Prototyping PC board
 - Speaker, 8 ohm impedance
 - 10O resistor
 - 1/4 mono phone jack
 
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