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# Best Practice
This page shows some best practices:
## Camera Placement
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* If the LED reflections are too strong, put tape over the LED to diffuse the light
* Change the ImageSize to QVGA under "Expert mode" configuration when close enough, this will be faster and is often good enough for digit recognition.
## Reflections
* Try to get rid of the reflections by rotating the camera, so that the reflections are at positions, where no number is.
* By using the external LED option, you can place WS2812 LEDs freely away from the main axis.
* Users report, that a handy cover foil could also help
## Reflections
* Try to get rid of the reflections by rotating the camera, so that the reflections are at positions, where no number is.
* By using the external LED option, you can place WS2812 LEDs freely away from the main axis.
* Users report, that a handy cover foil could also help
## Post-processing
* Filter out the Number "9", as "3" will often be misread for a "9" and void every number between 3 and 9 due to it being negative flow.