//elegoo line fait par Emile Poulin //www.elegoo.com //line tracking IO define #define LT_R !digitalRead(10) #define LT_M !digitalRead(4) #define LT_M !digitalRead(2) #define ENA 5 #define ENB 6 #define IN1 7 #define IN2 8 #define IN3 9 #define IN4 11 #define carSpeed 150