Program both Micro:Bits to be both a sender and a receiver so you can communicate back and forth. Then switch power from the laptop to the battery pack and test out your wireless communication system! When the sender sends a message, the puppet will notify you to check the LED screen so that you can see the incoming message.

How far of a range can you get? Test it out!

There are tons of other extensions to this introductory project, here are some possibilities:

- Add more message options by adding more inputs or changing how those inputs are read; 

- Instead of a table-top alert system, build a wearable alert system;

- Send voice messages and/or other sounds.

Happy building!

This guide was first published on Sep 01, 2017. It was last updated on Sep 01, 2017.

This page (Send all the Messages!) was last updated on Jul 31, 2017.

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