Not sure where to post this, but this is my first time to send off to batchpcb, and if anyone would care to take 2 minutes to look at this schematic and pcb layout, to see if it looks like things will work. I've prototyped all of this with an Uno, and will use a pro mini for the final product.
It has a MatrixOrbital LCD w/keypad connected to Serial TX & RX. The LCD draws 115 ma w/bklt. The mini sparkfun gear motor draws about 90ma typical, & the water valve solenoid draws 550 ma @12v.
Arduino-Pro-Mini-v11.brd (25.4 KB)
Arduino-Pro-Mini-v11.sch (77.6 KB)