Hardware
The component combines an infrared LED and an infrared phototransistor in a cubic package.
I used a 15 x 15 x 15 yellow casing for easy integration into my models. Left, the component — Right, the finalised sensor |
Invisible Infrared
Human eyes can't see infrared, but camera does.
Left, the sensor is off. Right, the infrared LED is on and clearly visible on the picture. |
The Model
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