• Duration:14 seconds
  • Date:2015/10/09
  • Uploader:chenyy
Introduction
A very simple thing to implement. It only requires an ADC port, a microphone, and brushing pictures to create dynamic effects. The microphone circuit is also very simple. In this way, you can achieve the effect of blowing out candles. As for this idea, I also came up with it based on the mobile lighter app I had played before. I also added a buzzer to play the happy birthday song.
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