Jul 262012

Recently I bought some more Arduino “toys”, the Rainbow shield and an LCD shield. But no matter how I tried, I could not get both to work. Always errors like:

delayns() not declared in this scope

The reason for this is that the Arduino 1.0.1 environment is different from the latest pre 1.x version (0023). So if you include the following lines on top of your LIBRARIES (yes, you have to modify the old library files), things should work out:

#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#include "WProgram.h"

At least I could compile my sketches, now lets see if they do what I told them to 🙂

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