HIS ARMS SPIN – Sound Triggered Robot

The robot is turning its arms when someone speaks to it.
It mainly consists of a microphone and a microphone.
when the microphone detects the sound, it sends the signal to the Arduino. When the sound is loud enough, the DC gear motor will be triggered.

moving roboT

The microphone is connected to an OP amplifier to enlarge the signal, then send the output to the arduino.

Arduino Sketch: sound_triggered_robot

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One Response to “HIS ARMS SPIN – Sound Triggered Robot”

  1. grottesco2000 Says:

    What kind of capacitor are these?

    It’s very interesting to me!!!!

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