C:\Program Files (x86)\Arduino\libraries\RobotIRremote\src\IRremoteTools.cpp:5:16: error: 'TKD2' was not declared in this scope
int RECV_PIN = TKD2; // the pin the IR receiver is connected to
^
Erro ao compilar.
Do you have an Arduino robot? Not an Arduino-controlled robot, an official Arduino robot.
If not, delete this file.