updated lessons

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Michael Elliot Braun 2016-03-30 16:44:41 -07:00
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# ornament chain lesson
display beautiful images on the BBC micro:bit #var #pause #docs
## Topic
Network devices
## Quick Links
* [activity](/microbit/lessons/ornament-chain/activity)
## Prior learning/place of lesson in scheme of work
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.
## Objectives
* learn how to setup the BBC micro:bit with crocodile clips
* learn how to telegraph to another BBC micro:bit

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# ornament chain activity
Build a telgraph
# micro:bit Ornament Chain
![](/static/mb/lessons/ornament-chain-0.jpg)
![](/static/mb/lessons/ornament-chain-1.jpg)
In this project, you will build your ornament chain between micro:bits. Project duration: 15 minutes.
## Materials
* micro:bit, battery holder and 2 AAA batteries
* Crocodile clips
## Steps
### 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/ornament-chain-0.jpg)
![](/static/mb/lessons/ornament-chain-1.jpg)
Your ornament chain is ready!
### Step 10
* Connect the first micro:bit to your computer using your USB cable and run the [ornament chain](/microbit/fcicvk) script on it.
* Connect the second micro:bit to your computer using your USB cable and run the [ornament chain](/microbit/fcicvk) script on it.
* The first person and second person take turns pressing button A to start the ornament chain game!

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## Quick Links ## Quick Links
* [tutorial](/microbit/lessons/speed-button/tutorial) * [activity](/microbit/lessons/speed-button/activity)
* [quiz](/microbit/lessons/speed-button/quiz) * [quiz](/microbit/lessons/speed-button/quiz)
* [quiz answers](/microbit/lessons/speed-button/quiz-answers) * [quiz answers](/microbit/lessons/speed-button/quiz-answers)
* [challenges](/microbit/lessons/speed-button/challenges) * [challenges](/microbit/lessons/speed-button/challenges)