int in1 = 2; int in2 = 4; int enA = 3; int in3 = 5; int in4 = 7; int enB = 6; void setup() { pinMode (enA, OUTPUT); pinMode (in1, OUTPUT); pinMode (in2, OUTPUT); pinMode (in3, OUTPUT); pinMode (in4, OUTPUT); pinMode (enB, OUTPUT); } void loop() { // put your main code here, to run repeatedly: digitalWrite (in1, HIGH); digitalWrite (in2, HIGH); digitalWrite (in3, HIGH); digitalWrite (in4, HIGH); digitalWrite (enA, 150); digitalWrite (enB, 150); delay (1500); }