Keyestudio Ks0428, Manual

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/****************Light Follow******************/
void light_track() {
flag = 0;
while (flag == 0) {
left_light = analogRead(light_L_Pin);
right_light = analogRead(light_R_Pin);
if (left_light > 650 && right_light > 650) //the value detected
by photo resistor, go forward
{
Car_front();
}
else if (left_light > 650 && right_light <= 650) //the value
detected by photo resistor, turn left
{
Car_left();
}
else if (left_light <= 650 && right_light > 650) //the value
detected by photo resistor, turn right
{
Car_right();
}