You have to issue a serial port command to turn on higher ... to have access to at least some of your program’s internal state. Of course, Arduino has promised full debugging soon.

Secondly, it’s simpler: No USB-UART (which also means no USB programming), a different pin layout (Arduino shields likely won’t fit) and more I/Os than the ATmegas have. Sure, it’s not as ...

For years, there has been a clear distinction between the Arduino and Raspberry Pi boards ... On the Nano, you can access one UART (pins D0 and D1 as RX and TX), one SPI (pins D10 to D13 as ...