https://www.instructables.com/id/Arduino-Flashlight-Following-Robot/
https://www.lexus.hu/discover-lexus/technology/lexus-safety/lane-departure-alert-with-lane-trace-assist/#hero
https://WWW.MBLOCK.CC/EXAMPLE/PRIMARY-LINE-PATROLING-PROGRAM/
https://youtu.be/SU-NL-ptT7c
https://www.youtube.com/watch?v=ltcjHReg3Ns