Hi JuKu,JuKu wrote:
It should be from a few centimeters to few ten cms. If your camera is not good, you might need a replacement, please see viewtopic.php?f=3&t=6015. My apologies for not catching this issue beforehand!
Thanks again for your help. But the image processing is still unstable. Take homing for example(please see the pictures below). The machine can find the circle, but it still says the result is unstable. I don't know why. Should I use one with very high resolution?