it's not really the end of the world for this as they make inexpensive switching regulator modules. Then I've ordered another USB module to power this and try it anyway off the 5 volts. I found one that's nice and quiet with a bonus feature of on the backside of the circuit board square solder pads for the power connections. Then what I find interesting is if you find a part made by multiple of manufacturers a lot of times you find that the specifications aren't always exactly the same for