12V PCB Design for Grain Sensor System

Title: Small 12V Embedded PCB Design – Grain Bin Sensor System Description: I have a working prototype of a 12V grain bin full-level alert system built on dev boards and need a freelancer to design a clean, compact PCB to replace my current setup... (Budget: $30 - $250 CAD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, I2C, Microcontroller, PCB Layout, Sensor Integration)