April 9, 2013 AT 2:00 am
DIY Electronic Birthday Candle
DIY Electronic Birthday Candle
So the concept here is pretty simple. I wanted to mount a microphone on a stick with an LED and design a circuit that would react to a large amount of noise on the microphone input (blowing) to turn off the LED.
This could easily be accomplished with a micro controller, but I thought it’d be more thrifty and challenging to do it with analog components.
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