Autodesk Eagle Prototype PCB Design

I have a new electronic concept that now needs to move from idea to a working prototype, and I want it laid out in Autodesk EAGLE. Your task is to design a prototype-ready PCB that brings together three key blocks: a microcontroller core, several on-board sensors, and a stable power-supply section... (Budget: $30 - $250 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, Microcontroller, PCB Layout, Sensor Integration)