Download the PDF of this experiment here.

In this experiment you will control how the blue LED blinks on the 321Maker Shield.

By the end of this assignment the student will be able to:

  • Configure an Arduino port for use as an output
  • Describe the operation of a simple circuit.
  • understand how to turn on and off a digital pin
  • use delays in program


  • Arduino-Compatible board
  • 321Maker Things Shield
  • USB Cable
  • Arduino Software