Sound to Light Converter Soldering Kit DIY

Solder together this Sound to Light Kit to have a cool little circuit that lights up in time with sound such as music or speech. Has an onboard mic! 

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Last Updated: 05/29/2024




Build this Sound to Light Converter to have five high-intensity LEDs light up and react simultaneously to sound the mic picks up. Practical applications: sound indicator, simple sound-to-light unit for music, telephone & door bell detection for the hearing impaired. Other applications: Just for fun! Built-in microphone so once you've soldered it together, just hook up a 3V-5.5V battery pack to get it going!


  • power supply: 3V - 5.5V (recommeded battery pack)
  • dimensions: 1.2 x 1"
  • fits in your pocket for showing off your sweet soldering skills
Is there an instruction manual or something of the sort? This is my first soldering project so I want to be sure I\'m identifying the resistors right etc
Yes, the assembly manual is on the downloads tab. Or you can click here to download it
Default User Icon Schuyler · 08/22/2021
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Is there a schematic for this circuit available anywhere?
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