No its not hard, just try one of the 3.3V board settings - or look in hardware/boards.txt to see how they are defined. 3.3 volts is so common these days for sensors it makes a lot of sense (unless you need the MIPs that 5V gives you).
No its not hard, just try one of the 3.3V board settings - or look in hardware/boards.txt to see how they are defined. 3.3 volts is so common these days for sensors it makes a lot of sense (unless you need the MIPs that 5V gives you).