77 lines
2.0 KiB
Markdown
77 lines
2.0 KiB
Markdown
# telegraph activity
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Build a telgraph #microbit #docs
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# micro:bit telegraph
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![](/static/mb/lessons/telegraph-0.png)
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In this project, you will build your telegraph between micro:bits. Project duration: 15 minutes.
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## Materials
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* micro:bit, battery holder and 2 AAA batteries
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* Crocodile clips
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## Steps
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### Step 1
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![](/static/mb/lessons/banana-keyboard-1.png)
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Using the 1st crocodile clip, connect the end of the crocodile clip onto GND pin on the micro:bit.
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### Step 2
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![](/static/mb/lessons/ornament-chain-2.png)
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Using the 2nd crocodile clip, connect the end of the crocodile clip onto the 3V pin on the micro:bit.
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### Step 3
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![](/static/mb/lessons/ornament-chain-3.png)
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Using the 3rd crocodile clip, connect the end of the crocodile clip onto pin 1 of the micro:bit.
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### Step 4
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![](/static/mb/lessons/ornament-chain-4.png)
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Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 2 of the micro:bit.
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### Step 5
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![](/static/mb/lessons/ornament-chain-5.png)
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Using the 1st crocodile clip, connect the unattached end of the crocodile clip onto the GND on the 2nd micro:bit.
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### Step 6
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![](/static/mb/lessons/ornament-chain-6.png)
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Using the 2nd crocodile clip, connect the unattached end of the crocodile clip onto the 3V pin on the 2nd micro:bit.
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### Step 7
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![](/static/mb/lessons/ornament-chain-7.png)
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Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto pin 2 of the 2nd micro:bit.
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### Step 8
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![](/static/mb/lessons/ornament-chain-8.png)
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Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto pin 1 of the 2nd micro:bit
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### Step 9
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![](/static/mb/lessons/telegraph-0.png)
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Your telegraph is ready!
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### Step 10
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* Connect the first micro:bit to your computer using your USB cable and run the [telegraph](/microbit/nnudbr) script on it.
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* Connect the second micro:bit to your computer using your USB cable and run the [telegraph](/microbit/nnudbr) script on it.
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* The first person and second person take turns pressing button A to play the telegraph game!
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