**TI83F*

Created by TI-Smartview CE 5.4.0.1858     ±  COULSOL2   žPYCD # Rover
from time import *
from ti_system import *
import ti_rover as rv
t=1
rv.forward(20,"units",0.23,"m/s")
while not escape():
  a=rv.color_measurement()
  print(a)
  if a==1 and t==1:
    rv.color_rgb(255,0,0)
    rv.stop()
    rv.forward(20,"units",0.14,"m/s")
    t=0
  elif a!=1 and t==0:
    rv.color_off()
    rv.stop()
    rv.forward(20,"units",0.23,"m/s")
    t=1
  else:
    rv.resume()
rv.stop()Ä}