Secret Messages

Learn to send secret, encoded messages from one micro:bit to another. Share the secret key with your friends so only they can read your message.


The Comic

After finding out that the hack-bots have been intercepting their messages, Cody shows Switch and Loop how to send secret, encrypted messages.

Game Demo

How to use micro:bits to send an encrypted message. Encryption is vital to being able to send secure messages over the Internet. This lesson is basic but it gives you a quick introduction to how that works.

Micro:bit Code

Instructions to code your micro:bit trackers using

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