Modifications

<div style="margin: 15px 0; background: rgba(255,204,102,.3); display: block; padding: 15px 15px 15px 15px; -webkit-border-radius: 2px; -moz-border-radius: 2px; border-radius: 2px; border: 1px solid #ff9900;" >The Feather M0 Express can be be programmed with Arduino IDE -OR- with CircuitPython (a flavor of MicroPython).

<div style="margin: 15px 0; background: rgba(255,204,102,.3); display: block; padding: 15px 15px 15px 15px; -webkit-border-radius: 2px; -moz-border-radius: 2px; border-radius: 2px; border: 1px solid #ff9900;" >The Feather M0 Express can be be programmed with Arduino IDE -OR- with CircuitPython (a flavor of MicroPython).

This tutorial focus on Arduino IDE development. Check the [https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-circuitpython/what-is-circuitpython Adafruit Tutorial if you are interested in '''CircuitPython Programming'''].}}

This tutorial focus on Arduino IDE development. Check the [https://learn.adafruit.com/adafruit-feather-m0-express-designed-for-circuit-python-circuitpython/what-is-circuitpython Adafruit Tutorial if you are interested in '''CircuitPython Programming'''].</div>

{{underline|'''About the additionnal Flash:'''}}<br />

{{underline|'''About the additionnal Flash:'''}}<br />