coding

Using Arduino Project Guidance
#1

so i have a black line follower in the end of the field theres no black line only the white board so i want to make my robot go for 700 cm then turn right (90 degree turn)is't possible to code it without a sensor?

#2

Question also seems to be covered in http://forum.arduino.cc/index.php?topic=584642.0

#3

(deleted)

#4

Cross-posting timeout.

Thread locked

#5