-This PM2.5 GP2Y1010AU0F Dust Smoke Particle Sensor is an infrared emitting diode (IRED) and a phototransistor are diagonally organized into this tool. -It detects the contemplated..
> This SHARP distance sensor bounces IR off gadgets to decide how some distance away they're. It returns an analog voltage that may be used to decide how close the closest item ..