code - void setup() { pinMode(2,OUTPUT); pinMode(3,OUTPUT); pinMode(4,OUTPUT); pinMode(5,OUTPUT); pinMode(6,OUTPUT); pinMode(7,OUTPUT); pinMode(8,OUTPUT); } void loop() { digitalWrite(3,HIGH); digitalWrite(4,HIGH); delay(1000); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(5,HIGH); digitalWrite(6,HIGH); digitalWrite(8,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(5,LOW); digitalWrite(6,LOW); digitalWrite(8,LOW); digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); digitalWrite(5,HIGH); digitalWrite(8,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(5,LOW); digitalWrite(8,LOW); digitalWrite(3,HIGH); digitalWrite(4,HIGH); digitalWrite(7,HIGH); digitalWrite(8,HIGH); delay(1000); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(7,LOW); digitalWrite(8,LOW); digitalWrite(2,HIGH); digitalWrite(5,HIGH); digitalWrite(7,HIGH); digitalWrite(8,HIGH); digitalWrite(4,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(4,LOW); digitalWrite(5,LOW); digitalWrite(7,LOW); digitalWrite(8,LOW); digitalWrite(2,HIGH); digitalWrite(4,HIGH); digitalWrite(5,HIGH); digitalWrite(6,HIGH); digitalWrite(7,HIGH); digitalWrite(8,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(4,LOW); digitalWrite(5,LOW); digitalWrite(6,LOW); digitalWrite(7,LOW); digitalWrite(8,LOW); digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); digitalWrite(5,HIGH); digitalWrite(6,HIGH); digitalWrite(7,HIGH); digitalWrite(8,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(5,LOW); digitalWrite(6,LOW); digitalWrite(7,LOW); digitalWrite(8,LOW); digitalWrite(2,HIGH); digitalWrite(3,HIGH); digitalWrite(4,HIGH); digitalWrite(7,HIGH); digitalWrite(8,HIGH); digitalWrite(5,HIGH); delay(1000); digitalWrite(2,LOW); digitalWrite(3,LOW); digitalWrite(4,LOW); digitalWrite(7,LOW); digitalWrite(8,LOW); digitalWrite(5,LOW); } watch my previous video - • how to use a seven segment display #AN_IDEA