IMTx: DMx102 Arduino Programming, from novice to ninja Lab 1 (auto-graded)
1. All the pins have to be set as OUTPUT at the beginning of the sketch 2. The green LED (on pin 4) is switched on for 3 seconds (green LED will be the first to light up) then it is switched off 3. When the green LED is switched off, orange LED is switched on for 1 seconds then it is switched off again 4. When the orange LED is switched off, red LED is switched on for 3 seconds then it is switched off again 5. These instructions must run again and again in the loop()!
