ICSP Header ICSP (In-Circuit Serial Programming) ... The Nano has 8 Analog Pins, labeled A0 through A7. 13: 5V pin: Provides 5V voltage output: 14: GND: Ground pin: 15: VIN: ... Arduino Nano board ...

has incorrect pin numbering on the ICSP header: Pin 1 is at the bottom left corner of the header, as indicated by the white dot on the PCB silkscreen: So the header pin numbering is off by 180 degrees ...

The 32U4 in arduino-land can sometimes be a bit problematic with regards to firmware updating and reset issues, “brickable” as it were. The Nano footprint is quite nice (similar in size to a ...