Need help with transitional diagram and regular expressions

I am an Electrical Engineer with 1 year experience designing embedded systems.I have recently done my internship at Siemens AG. Other than my expertise in Electrical Engineering and Industrial Automation, I also know database query language like SQL scripting language like Python and other programming language like C, C++ and C# with know how of Linux kernal. I have also experience in using different development platforms like Arduino and Raspberry Pi. I am a team player with tendency to get work done in given deadline with some very good problem analysis skills, finding appropriate solution along with adequate communication and technical report writing skills. I found your Job Ad worthwhile and hence intend to get this opportunity to work with you and offer my expertise in embedded system design. Therefore, it is requested that I may be given this opportunity to work with you. I will be very grateful to you and will be personally obliged. Please Take a look at at the sample attached which is a project based on Control of Electrical Devices using Power Line Communication. [login to view URL] If you are satisfied with my sample work than we can talk about the payment terms! Regards, Ahmad Faizan Linkedin: [login to view URL]