updated lessons
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# ornament chain lesson
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display beautiful images on the BBC micro:bit #var #pause #docs
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## Topic
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Network devices
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## Quick Links
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* [activity](/microbit/lessons/ornament-chain/activity)
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## Prior learning/place of lesson in scheme of work
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Learn how to convert your BBC micro:bit into a telegraph using a second BBC micro:bit as well as pin P1, P2, 3V, GND, and crocodile clips (or spring clips). The connect BBC micro:bit uses pins P1, P2, 3V, GND.
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## Objectives
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* learn how to setup the BBC micro:bit with crocodile clips
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* learn how to telegraph to another BBC micro:bit
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# ornament chain activity 
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Build a telgraph 
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# micro:bit Ornament Chain
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In this project, you will build your ornament chain 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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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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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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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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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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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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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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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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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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Your ornament chain 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 [ornament chain](/microbit/fcicvk) script on it.
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* Connect the second micro:bit to your computer using your USB cable and run the [ornament chain](/microbit/fcicvk) script on it.
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* The first person and second person take turns pressing button A to start the ornament chain game!
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@@ -10,7 +10,7 @@ Running Time
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## Quick Links
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* [tutorial](/microbit/lessons/speed-button/tutorial)
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* [activity](/microbit/lessons/speed-button/activity)
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* [quiz](/microbit/lessons/speed-button/quiz)
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* [quiz answers](/microbit/lessons/speed-button/quiz-answers)
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* [challenges](/microbit/lessons/speed-button/challenges)
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