Session 7: April 21

Series 2, Session 3

Radio Signals and Smart Robot Communication

Career Spotlight: Robotics and Automation Systems Technician

These technicians help machines communicate, respond, and work together in places like ports, warehouses, and transportation systems.

Today’s Mission

Use micro:bit radio to send and receive a message.

Success Today

By the end of class, your team should be able to:

  • send a message
  • receive a message
  • explain what your signal means

Today’s Flow

  • Launch
  • Test radio
  • Improve your system
  • Share out

Main Challenge

Build a Working Radio System

Your team will create a system where:

  • one micro:bit sends a message
  • one micro:bit receives it
  • the receiving micro:bit shows a clear response

Steps

  1. Get your devices ready.
  2. Open the radio tutorial in MakeCode.
  3. Make sure both devices use the same radio group.
  4. Create one simple send and receive message.
  5. Test it.
  6. Fix problems and test again.
  7. Add more messages if your first one works.

Message Ideas

Try messages like:

  • Go
  • Stop
  • Help
  • Cargo ready
  • Route blocked
  • Task complete

Level Up

If your first message works, try:

  • two or more messages
  • different icons for different meanings
  • a port-themed communication system

If You Get Stuck

Check:

  • same radio group
  • send code is correct
  • receive code is correct
  • what happened when you tested

Why It Matters

Smart machines need to share information clearly. Communication helps with safety, timing, and teamwork.


Closing Share

Be ready to share:

  • one message your team sent
  • one problem you solved
  • one real-world use for this kind of system

Sentence Starters

  • Our team sent…
  • One problem we solved was…
  • This could be useful because…