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Technical
555 Timer IC – 1
Speaker 8Ω, 0.5W – 1
Resistor 1K – 3
Variable Resistor 10K – 1
Electrolytic Capacitor 10μF – 1
Ceramic Capacitor 0.1μF – 1
Ceramic Capacitor 0.01μF – 1
Rocker switch
Spring
M3 8mm screws- 8
9 volt battery
9 volt battery connector
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