GPS Locator circut and PCB design

Closed - This job posting has been filled and work has been completed.

Job Description

Work with me to design a circuit and PCB for a GPS Locator product.
SMD Components.

Hardware we will be using is as follows:
UP501 (GPS module)
SIM900 (GPRS module)
ATMEGA328p TQFP

Suggestions for power supply design required. (28v -> 5v)
Integrate the design with a power supply to allow the product to be powered from a 24 and 12v source without user adjustment.