Telegraph
![](/gitea/c_meyer/pxt-calliope/media/commit/c6fa65763b492f05c5a9b7c36a0f2088e77637da/docs/projects/static/mb/lessons/telegraph-0.png)
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Build a telegraph between two @boardname@s to communicate with your friends!
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Duration: ~30 minutes
Materials
- 2 @boardname@s, a battery holder, and 2 AAA batteries
- 4 crocodile clips
Activities
~button /projects/telegraph/make
Let's get started!
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