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The sensor clamp is put in a box to avoid daylight coming into the photocell and bringing unwanted resistance values into the circuit. | The sensor clamp is put in a box to avoid daylight coming into the photocell and bringing unwanted resistance values into the circuit. | ||
[[Image: | [[Image:sketch_matrix_pulse_meter.jpg]] | ||
I also decided to connect a arduino board to read the values in a processing sketch (video below). With programs like Processing or Pd the pulse can change any value and transform it into graphic, sound etc. | I also decided to connect a arduino board to read the values in a processing sketch (video below). With programs like Processing or Pd the pulse can change any value and transform it into graphic, sound etc. | ||