I have been working with hardware design and embedded software development for many years ,and I am familiar with the hardware and software development of 51, avr the stm32.And I also familiar with USB, RS232, RS485, CAN communication interface, and the file system, ucOS, and also familiar with digital control, monochrome LCD, TFT use skilled to use ucGUI, MicrochiGUI, MiniGUi interface. These years I have participated many projects of our company. And I am always the core of our team. Sometimes I find project online in my spare times.