Optical-Dust-Sensor-Gp2Y1010Au0F-Whadda-WPSE346-p-The-Whadda-WPSE346-GP2Y1010AU0F-dust-sensor-uses-an-optical-sensing-method-and-has-a-diagonally-arranged-infrared-emitting-diode-IRED-and-phototransistor-It-detects-the-reflected-light-of-dust-in-air-p-p-The-GP2Y1010AU0F-sensor-is-especially-effective-in-detecting-very-fine-particles-like-cigarette-smoke-and-is-commonly-used-in-air-purifier-systems-p-p-The-output-of-the-sensor-is-an-analogue-voltage-proportional-to-the-measured-du