Text messaging can be used to send brief messages between mobile devices. Open the Text Messenger Programming PDF for background information and step-by-step programming instructions.

Experimentation Questions

  1. What happens if you delete the range and coerce icon and then retry the code? Why? 
  2. How can you increase the number of messages you can send? 
  3. Why do you need a different program for the receiver NXT?
  4. If you change the case loop conditions what happens and why?
  5. Could you send the message to more than one NXT at once? 


  • 2 NXT Bricks

Teaching Standards

(Teachers: We recommend linking your project's content to the nationally recognized Common Core Standards for literacy in science and math.)

Through this activity students have the opportunity to understand the following:

  1. How to create a system that controls information transmission
  2. Computer programming
  3. Team work and collaboration