Hello Sir,I am a professional Embedded Designer with 15+ years experience in Digital and Analog fields, working with 8051,AVR,PIC,ARM,DSPs,FPGAs,PLCs,Robotics etc and rich experience in PCB designing(Eagle Professional version) and layouts. Many of my Projects have been published in Leading Electronics Magazines like EDN-Asia, Electronics For You etc recently designed Complex Embedded projects for Freelancer clients,like MPPT solar/wind Charge Controller,Temperature controller,Wireless Data controller,Li-ion Battery charger, DC motor controller etc.I have interfaced many 3.3V Microcontrollers to 5V peripherals(like SRAM,RTC etc). I can successfully do your project within 1 hour.