Four highintensity LEDs light up and react simultaneously on every sound. For different funny and practical applications such as : sound indicator simple soundtolight unit for music for the hearing impaired : can be used to indicate the telephone door bell
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Four highintensity LEDs light up and react simultaneously on every sound. For different funny and practical applications such as : sound indicator simple soundtolight unit for music for the hearing impaired : can be used to indicate the telephone door bell. Adjustable sensitivity with potentiometer. Builtin microphone.
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