//www.elegoo.com //2016.09.12 /*In3 connected to the 7 pin, In4 connected to the 6 pin, ENB pin 5,*/ int ENB=5; int IN3=7; int IN4=6; void setup() { pinMode(IN3,OUTPUT); pinMode(IN4,OUTPUT); pinMode(ENB,OUTPUT); digitalWrite(ENB,HIGH); } void loop() { digitalWrite(IN3,LOW); digitalWrite(IN4,HIGH); //Left wheel forward delay(500); digitalWrite(IN3,LOW); digitalWrite(IN4,LOW); //Left wheel stop delay(500); digitalWrite(IN3,HIGH); digitalWrite(IN4,LOW); //Left wheel back delay(500); digitalWrite(IN3,LOW); digitalWrite(IN4,LOW); //Left wheel stop delay(500); }