for the tensorflow step the scripts in the PINTO0309 repo the downloads seem to be broken so I had to download the whl from the google drive link in the script on my desktop and scp it to the pi. Hope that helps! (the drive.google.com link on this line: https://github.com/PINTO0309/Tensorflow-bin/blob/main/previous_versions/download_tensorflow-2.1.0-cp37-cp37m-linux_armv7l.sh#L3)