pxt-calliope/docs/projects/telegraph/making.md

telegraph - making

~avatar

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

~

Materials

• @boardname@, 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 @boardname@.

Step 2

Using the 2nd crocodile clip, connect the end of the crocodile clip onto the 3V pin on the @boardname@.

Step 3

Using the 3rd crocodile clip, connect the end of the crocodile clip onto pin 1 of the @boardname@.

Step 4

Using the 4th crocodile clip, connect the end of the crocodile clip onto pin 2 of the @boardname@.

Step 5

Using the 1st crocodile clip, connect the unattached end of the crocodile clip onto the GND on the 2nd @boardname@.

Step 6

Using the 2nd crocodile clip, connect the unattached end of the crocodile clip onto the 3V pin on the 2nd @boardname@.

Step 7

Using the 3rd crocodile clip, connect the unattached end of the crocodile clip onto pin 2 of the 2nd @boardname@.

Step 8

Using the 4th crocodile clip, connect the unattached end of the crocodile clip onto pin 1 of the 2nd @boardname@

Step 9

~button /projects/telegraph/manual-telegraph

NEXT: manual telegraph

~