hi. I'm a communication systems engineer by qualification, having 4+ years of experience in development (C#, Visual Studio). I have built a lot of programs for hardware integration using RS232, Modbus, TCP/IP etc. I have interfaced a variety of hardware, including but not limited to: digital and analog IO cards, GSM, GPS, smart card readers, label printers etc. I can show you my past work. I'm very interested in working with you. I'm a full time freelancer and available for long term partnership. I'm available almost all the time. please share the details of this first step. waiting for your response...