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Hello everyone! I don't know if I can post this here but I really need a help! I realized a small robot that detects and follows a face with Processing, Arduino, opencv and 2 servomotors. My project works fine but now I want to replace the USB cable used to send the coordinates of the face found with Processing to my Arduino uno by the Bluetooth Module HC-05. I don't know why but when I run my program on Processing,the webcam's field of view doesn't appear! Should I include some library on my program?