Hardware expertise: microcontrollers (ARM based and 8051 based) audio, video, wireless, industrial control, Radio Frequency, fiber optics, Analog/Digital converters, PLL, power supply design, PCB design, single board computer modules under Linux, Ubuntu or Android Operating System, CATV, cable modems, IPTV, digital streaming.
Software expertise: C, C++, PHP, HTML, QT4, QT3, assembly language, database, SNMP, Linux, Ubuntu, Graphic User Interface, e-commerce, web development, remote access and control