Datasheet

Check out the Audio Out section of this guide (https://adafru.it/BRj) for examples!

Find the pin

Use the diagrams below to find the A0 pin marked with a magenta arrow!

Circuit Playground Express

A0 is located between VOUT and A1 near the battery

port.

Trinket M0

A0 is labeled "1~" on Trinket! A0 is located between "0"

and "2" towards the middle of the board on the same

side as the red LED.