Hello, For my project, I am trying to run a small DC motor when you blow over the piezo sensor. I referred the circuit and the code from http://www.dtic.upf.edu/~jlozano/interfaces/blow_sensor.html I used the exact circuit as posted in the site. But when I try to run the code given in the site, …

Piezo Vibration sensor as blow sensor to run DC motor

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