how to solve this error on my Arduino sketch,
In the file included in sketch_feb14a.cpp: 20: G: \ arduino-1.0-windows_2 \ arduino-1.0 \ hardware \ arduino \ cores \ arduino / Arduino.h: 212: 26: error: pins_arduino.h: There is no such file or catalog
For the layout example, I added this to the boards.txt file that comes with the sample layout.
atmega328bb.build.variant=arduino:standard
Double-check which board you configured in the IDE, Tools-> Tip The contact file determines the pin configuration of your Arduino board.
If not, try a new IDE installation.
You must add:
sanguino.build.variant=standard
to boards.txt so that the code works in arduino uno.
boards.txt
This is a problem with the bootloader. The error occurs below situations