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Flash-Tron  -  Mini light synth  -  Make music with light

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The FlashTron is a small light synth that makes a large range of electronic noises. It plays a little bit like a theremin, but with light as the main control.

If you want to hear what the FlashTron sounds like, I have uploaded a small YouTube video: http:

The FlashTron has only one control and that is the light sensor on the left of the unit. The less light that goes into the sensor the higher the frequency until the output clips into noise. The NoiseTron is played with the hand by blocking light from entering the sensor, it can also be played using a keyring flash light(not included)

The output is via a 3.5mm stereo socket which can be plugged into earphones, a computer sound card, mixer or amplifier.

All you need to start making sounds, is a pair of earphones and a common 9 volt battery.

I hope that gives you a basic idea about how the FlashTron works, if you have any questions please feel free to convo me. You can also follow me on twitter, for updates on my products:

Happy noise making,
Brian McNamara

Flash-Tron - Mini light synth - Make music with light


  • Handmade item
  • Materials: wood, electronics, software, leds, resistors, picaxe 08m
  • Ships worldwide from Canberra, Australia
  • Feedback: 46 reviews
  • Favorited by: 8 people