- i try to download Matlab Simulink model into Arduino Mage 2560 follow the website(show below), i was installed Simulink Support Package for Arduino Mega, using the example model they give us, however, after i chick the "run", Matlab stay in model without response showing "Downloading the model to ' Arduino Mega 2560'--- anybody know what's wrong with it? (board has been connected to the PC.) thanks very much