User Manual

ItsyBitsy M0 Express and ItsyBitsy M4 Express

A1 is located in the middle of the board, near the "A" in

"Adafruit". Ground is labled "G" and is located next to

"BAT", near the USB Micro port. 3V is found on the

opposite side of the USB port from Ground, next to RST.

You have 6 analog pins you can use. For a full list, see

the pinouts page (https://adafru.it/BMg) on the main

guide.

Metro M0 Express and Metro M4 Express

A1 is located on the same side of the board as the barrel

jack. There are multiple ground pins available. 3V is

labeled "3.3" and is located in the center of the board

on the same side as the barrel jack (and as A1).

Your Metro M0 Express board has 6 analog pins you

can use. For the full list, see the pinouts

page (https://adafru.it/AMb) on the main guide.

Your Metro M4 Express board has 6 analog pins you

can use. For the full list, see the pinouts

page (https://adafru.it/B1O) on the main guide.

Reading Analog Pin Values

The get_voltage() helper used in the potentiometer example above reads the raw analog pin value and converts it to

a voltage level. You can, however, directly read an analog pin value in your code by using pin.value . For example, to

simply read the raw analog pin value from the potentiometer, you would run the following code: