Sound Activated LEDs KitFeatures Intermediate level ; 33 pieces ; Power consumption: 0.5mA min./12mA max. ; Adjustable sensitivity ; Dimensions: 2.5"L x 1.6"W x 1.4"H ; Weight: 0.1 lbs.; pagebreak Overview Four high-intensity LEDs light up and react simultaneously to every sound. Use for different, fun, and practical applications like a sound indicator or simple sound-to-light unit for music. The unit can also be used to indicate when the doorbell or the telephone is ringing, which is particularly useful for the hearing-impaired. The sensitivity is adjustable with the potentiometer, and it has a built-in microphone. Requires: 8-15VDC power supply or 9VDC battery, not included. We recommend Jameco P/N: (198731) Check out more fun and exciting electronic kits
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