Hello, i want to program attiny45 chip in arduino IDE. I did it with this instruction: viewtopic.php?f=42&t=76639 I install arduino ide, attiny boards and perfboard, but in all programms (even if empty file) i get error: sketch_mar31a.ino:3:21: fatal error: Arduino.h: No such file or directory
compilation terminated.
How resolve this problem?