Install OpenCV on Raspberry Pi 3B+ for python3.

References https://pypi.org/project/opencv-python/ https://www.raspberrypi.org/forums/viewtopic.php?t=232294 https://www.learnopencv.com/install-opencv-4-on-raspberry-pi/ https://www.pyimagesearch.com/2018/09/26/install-opencv-4-on-your-raspberry-pi/ OS – Raspian Buster with desktop and recommended software. Release date 2020-02-13. https://www.raspberrypi.org/downloads/raspbian/ Uninstall previous versions Install dependencies Easy install At present, OpenCV only supports Raspberry Pi 3B+ is up to version 3.4.6. Verify installation…