Make

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Let's build a telegraph between two @boardname@s.

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Materials

• 2 @boardname@s, 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 @boardname@.

Step 2

Connect the end of the 2nd crocodile clip to the 3V pin on the @boardname@.

Step 3

Connect the end of the 3rd crocodile clip to pin 1 of the @boardname@.

Step 4

Connect the end of the 4th crocodile clip to pin 2 of the @boardname@.

Step 5

Connect the other end of the 1st crocodile clip to the GND on the second @boardname@.

Step 6

Connect the other end of the 2nd crocodile clip to the 3V pin on the second @boardname@.

Step 7

Connect the other end of the 3rd crocodile clip to pin 2 of the second @boardname@.

Step 8

Connect the other end of the 4th crocodile clip to pin 1 of the second @boardname@.

Step 9

~button /projects/telegraph/code

NEXT: Code

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