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updated telegraph project

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Peli de Halleux
2016-10-03 22:32:27 -07:00
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# telegraph activity
Build a telgraph.
# micro:bit telegraph
![](/static/mb/lessons/telegraph-0.png)
In this project, you will build your telegraph between micro:bits. Project duration: 15 minutes.
### ~avatar
Build a telegraph between two micro:bits to communicate with your friends!
### ~
## Duration: ~30 minutes
## Materials
* micro:bit, battery holder and 2 AAA batteries
* Crocodile clips
## Steps
## Activities
### Step 1
![](/static/mb/lessons/banana-keyboard-1.png)
Using the 1st crocodile clip, connect the end of the crocodile clip onto GND pin on the micro:bit.
### Step 2
![](/static/mb/lessons/ornament-chain-2.png)
Using the 2nd crocodile clip, connect the end of the crocodile clip onto the 3V pin on the micro:bit.
### Step 3
![](/static/mb/lessons/ornament-chain-3.png)
Using the 3rd crocodile clip, connect the end of the crocodile clip onto pin 1 of the micro:bit.
### Step 4
![](/static/mb/lessons/ornament-chain-4.png)
Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 2 of the micro:bit.
### Step 5
![](/static/mb/lessons/ornament-chain-5.png)
Using the 1st crocodile clip, connect the unattached end of the crocodile clip onto the GND on the 2nd micro:bit.
### Step 6
![](/static/mb/lessons/ornament-chain-6.png)
Using the 2nd crocodile clip, connect the unattached end of the crocodile clip onto the 3V pin on the 2nd micro:bit.
### Step 7
![](/static/mb/lessons/ornament-chain-7.png)
Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto pin 2 of the 2nd micro:bit.
### Step 8
![](/static/mb/lessons/ornament-chain-8.png)
Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto pin 1 of the 2nd micro:bit
### Step 9
![](/static/mb/lessons/telegraph-0.png)
### ~avatar avatar
Excellent, you're ready to continue with the [challenges](/projects/telegraph-challenges)!
* [Making the circuit](/projects/telegraph/making)
* [Manual telegraph](/projects/telegraph/manual-telegraph)
### ~button /projects/telegraph/making
Let's get started!
### ~