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Build a sound-trigger circuit, using a microcontroller, microphone, op-amp, transistors and resistors.
The microphone converts sound waves into small voltage signals using dielectric material.
The device's sensitivity can be programmed and adjusted.
Build a sound-trigger circuit, using a microcontroller, microphone, op-amp, transistors and resistors.
The microphone converts sound waves into small voltage signals using dielectric material.
The device's sensitivity can be programmed and adjusted.