QR-Code recognition
https://github.com/Asadullah-Dal17/QR-detection-and-Distance-Estimation
Tello control
Extra
https://www.mdpi.com/1424-8220/23/2/897
Real-Time Human Motion Tracking by Tello EDU Drone
JS Aruco [ github ]
ArUco markers : https://chev.me/arucogen/
For Chrome app: extension