Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...
Atmel SAM (ARM core) can be programmed using BOSSA; the equivalent of programming an Atmel AVR using avrdude. On the Arduino Zero, the "native USB" port connects directly to the SAMD21 MCU (PA24,25; ...