Adafruit Feather M4 Express User Manual

Gemma M0
A0 is located in the middle of the right side of the board
next to the On/Off switch.
Feather M0 Express
A0 is located between GND and A1 on the opposite side
of the board from the battery connector, towards the
end with the Reset button.
Feather M4 Express
A0 is located between GND and A1 on the opposite side
of the board from the battery connector, towards the
end with the Reset button, and the pin pad has left and
right white parenthesis markings around it
© Adafruit Industries https://learn.adafruit.com/adafruit-feather-m4-express-atsamd51 Page 116 of 183

Adafruit Feather M4 Express Specifications

General

Brand	Adafruit
Model	Feather M4 Express
Category	Microcontrollers
Language	English