Problem with FadeUp example

I get the following error code when compiling the FadeUp example from the DmxSimple library i downloaded:

[code] FadeUp.cpp.o: In function loop': C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:36: undefined reference toDmxSimple' C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:36: undefined reference to DmxSimple' C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:36: undefined reference toDmxSimpleClass::write(int, unsigned char)' FadeUp.cpp.o: In function setup': C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:20: undefined reference toDmxSimple' C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:20: undefined reference to DmxSimple' C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:20: undefined reference toDmxSimpleClass::usePin(unsigned char)' C:\Users\JANDAL~1\AppData\Local\Temp\build2593386316473661054.tmp/FadeUp.cpp:27: undefined reference to `DmxSimpleClass::maxChannel(int)' [/code]

What should I do?

Yes, I have restarted the IDE after downloading the library.


What OS are you using? What version of the IDE? Where did you put the library? Where did you get the library? Inquiring minds want to know.


Please check out, that you have copied the whole library folder "DmxSimple" (not olnly DmxSimple.h) to /Documents/Arduino/Libraries (in case of Mac).

Best Hans

OS: Windows 7 Home Premium IDE: 0021 Library: C:\Program\Arduino IDE\arduino-0021\arduino-0021\libraries\DmxSimple\DmxSimple I downloaded the library from

Hans: I have Windows but yes, I copied everything what was in the archive i downloaded from the above url.


Library: C:\Program\Arduino IDE\arduino-0021\arduino-0021\libraries\DmxSimple\DmxSimple

Why is arduino-0021 inside a folder named arduino-0021?

Why is the DmxSimple folder name repeated?

I don't have a clue, but I put all the files into C:\Program\Arduino IDE\arduino-0021\arduino-0021\libraries\DmxSimple and it helped!

I haven't uploaded it jet, but there was no error while compiling!

Thanks for helping me!