Velleman Sound-to-Light Unit
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Velleman Sound-to-Light Unit

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Flashing LED Lights Indicate the Presence of Ambient Sound
  • Fun and easy to build
  • Great Do-It-Yourself project
  • Adjustable sensitivity with potentiometer
  • LED lights light up and react simultaneously on every sound
  • Sound indicator for music, hearing-impaired, telephone, door bell

Item #: 76990

Expected in stock 01/01/2015

Special Price: $4.97

List Price: $6.50

Your Savings: $1.53

  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • Velleman's MK103 Sound-to Light Unit is a color light show circuit that translates ambient sound into light. The unit's built-in microphone takes the sound from a stereo, radio, doorbell, or other sound source and translates it into light through the four high-intensity LED lights. The sensitivity of the recognized and translated sound can be adjusted using the potentiometer so the light is not activated by certain sound levels. This unit is useful for the hearing-impaired, or to indicate a telephone or doorbell ringing, or for just having fun.


  • Specifications
    Manufacturer Velleman
    Manufacturer Product No. MK103
    UPC 836479007024
    Dimensions 1.6 inches x 2.2 inches x 1.4 inches
    Power Supply 9 Volt AA batteries (not included)
    Power Consumption 0.5mA min. / 12mA max.
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