Microcontroller Consultant

25+ years experience in systems architecture, systems programming and software design. Specialist in 8-bit embedded controller hardware and software systems and applications. Expert in inter-processor communications:

• RS-232, RS-422, RS-485, I2C, half/full duplex, polled/multi-mastered, USB.
• 8080, Z80, 6502, 8088, 8086, 80188, 80186, 8051, 8052, 80C552, DS80C320, 68HC11, 68000, PIC16C5X, PIC16C6X, PIC16C7X, AT89Cx021, AN21xxEZ-USB
• Assembly, C, MS-DOS, Windows, Visual Basic