| Figure 1 |
 |
| Illuminating an object under test by two LEDs having different wavelengths allows you to perform a rudimentary spectral analysis of the object. You can use this simple scheme to sort fruits and vegetables automatically, for example. |
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| Figure 1 |
|
| Illuminating an object under test by two LEDs having different wavelengths allows you to perform a rudimentary spectral analysis of the object. You can use this simple scheme to sort fruits and vegetables automatically, for example. |
back |