Make

Let’s build a telegraph between two micro:bits.

Materials

  • 2 micro:bits, a battery holder, and 2 AAA batteries
  • 4 crocodile clips

Steps

Step 1

Connect the end of the 1st crocodile clip to the GND pin on the micro:bit.

Step 2

Connect the end of the 2nd crocodile clip to the 3V pin on the micro:bit.

Step 3

Connect the end of the 3rd crocodile clip to pin 1 of the micro:bit.

Step 4

Connect the end of the 4th crocodile clip to pin 2 of the micro:bit.

Step 5

Connect the other end of the 1st crocodile clip to the GND on the second micro:bit.

Step 6

Connect the other end of the 2nd crocodile clip to the 3V pin on the second micro:bit.

Step 7

Connect the other end of the 3rd crocodile clip to pin 2 of the second micro:bit.

Step 8

Connect the other end of the 4th crocodile clip to pin 1 of the second micro:bit.

Step 9

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