Hello, thank you for your job posting. I read your description about--building a cost effective i2c Scanner. I am a senior electrical engineer. I have plenty of experience in micro-controller developments, Arduino, Raspberry Pi, Pic, Atmega, FPGA, ARM, DSP, PLC and so on. Circuit by the Altium, Eagle, KiCAD, Allegro & OrCAD, PADs. I provide the services - Gerber files, Netlist generation, BOM generation and 3D Models of PCAD and ECAD. I am also good at AutoCAD, Solidworks. And I can simulate all circuits with Proteus, LT-spice, Matlab, Simulink, Multisim, and Labview as well. Due to my experience in in practice, I will bring you the perfect result in time with high quality. Looking forward to hearing from you soon Thanks