I bought a 2560 mega board for a big project. I installed StandardFirmata on the board because I want to do all controlling from my laptop. The problem I have is that analog pins 6 to15 don't return any values. I have ten analog sensors on pin 0 to 9 and pins 0 to 5 return a value for me but pins 6 to 15 don't. All my digital pins work as I have tested them as outputs and they turn a led on and off. the problem is just on the analog pins. I don't understand this because if the software thought that it was a board with less analog pins then there would have been less digital pins as well and I would have had a problem with them as well. I spend two days now looking for the reason but I am beaten. Can anybody help please?