Hello. Im designing different electronics devices, mostly based on avr, arm MCUs and boards with them like arduino, stm-discovery etc. I can help you with your deal and since im new one here I can do it cheaper then anybody.
(autopromotion^))
Do you expect to use existing arduino board or something like or need custom pcb design?
What power source are you going to use?
What is load for out voltage?
Have some other questions, lets talk.
Sinse lack of info my bid can be changed later.