# Make ## ~avatar Let's build a telegraph between two @boardname@s. ## ~  ## 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 ## ~