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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Recent content by zoomh4n

  1. Z

    Sound controlled circuit - adjustable?

    I will buy the resistor tomorrow along with a couple of other parts - what will it do?
  2. Z

    Sound controlled circuit - adjustable?

    Hi Colin, thanks for your help! Will that affect the sensitivity?
  3. Z

    Sound controlled circuit - adjustable?

    I'm a bit of a noob - I've only done a couple of projects and I have a lot to learn. I have bought the components for this project: http://www.simple-electronics.com/2011/10/sound-controlled-circuit.html . Basically an electret microphone that will trigger (in my case) 30 leds. I have...
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