# telegraph activity 

![](/static/mb/lessons/telegraph-0.png)

### ~avatar

Build a telegraph between two micro:bits to communicate with your friends!

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## Duration: ~30 minutes

## Materials

* micro:bit, battery holder and 2 AAA batteries
* Crocodile clips

## Activities

* [Making the circuit](/projects/telegraph/making)  
* [Manual telegraph](/projects/telegraph/manual-telegraph)

### ~button /projects/telegraph/making
Let's get started!
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