pxt-calliope/docs/reference/js/lessons/ornament-chain/activity.md

ornament chain activity

build a telgraph.

Ornament Chain Activity

In this project, you will build your ornament chain between BBC micro:bits. Project duration: 15 minutes.

Materials

• BBC micro:bit, battery holder and 2 AAA batteries
• Crocodile clips

Steps

Step 1

Using the 1st crocodile clip, connect the end of the crocodile clip onto GND pin on the BBC micro:bit.

Step 2

Using the 2nd crocodile clip, connect the end of the crocodile clip onto the 3V pin on the BBC micro:bit.

Step 3

Using the 3rd crocodile clip, connect the end of the crocodile clip onto pin 1 of the BBC micro:bit.

Step 4

Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 2 of the BBC micro:bit.

Step 5

Using the 1st crocodile clip, connect the unattached end of the crocodile clip onto the GND on the 2nd BBC micro:bit.

Step 6

Using the 2nd crocodile clip, connect the unattached end of the crocodile clip onto the 3V pin on the 2nd BBC micro:bit.

Step 7

Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto pin 2 of the 2nd BBC micro:bit.

Step 8

Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto pin 1 of the 2nd BBC micro:bit

Step 9

Your ornament chain is ready!

Step 10

• Connect the first BBC micro:bit to your computer using your USB cable and run the ornament chain script on it.
• Connect the second BBC micro:bit to your computer using your USB cable and run the ornament chain script on it.
• The first person and second person take turns pressing button A to start the ornament chain game!