I have more than 20 years of experience in microprocessor, MCU, embedded system hardware and software development.
I have extensive experience in circuit design,PCB design and embedded software/firmware programming. Design fields include consumer electronics, communication measurement instruments, One - Campus - ID card system and RFID, and harddisk/file encryption and decryption etc.
I high density multilayer cell phones and military trunked communications handheld terminals(Contains a large number of buried blind holes and so on) etc.
I am a Chinese, but now living abroad accompany my child study.