Arduino UNO R3

Pinout

PDF diagram

Arduino API (standard library)

UNIX

Relevant paths are:

• hardware: ~/.arduino15/packages/arduino/hardware/avr/1.8.6
• api: $hardware/cores/arduino
• toolchain: ~.arduino15/packages/arduino/tools/avr-gcc/7.3.0-atmel3.6.1-arduino7/

Windows

• TODO

Library source code

The standard Arduino API is defined in $api/Arduino.h.

Serial

The Serial objects provided by the Arduino API are instances of the HardwareSerial class (declared in HardwareSerial.h).

String

The String class is provided by WString.h/Wstring.cpp

References

Arduino's UNO R3 product page