Co-authored The Professional Consultant, a White Paper on consultant best practices.

IEEE Certified Software Development Professional (CSDP). IEEE Senior Member.

Technical Specialties:

• Embedded systems
• Software architecture
• Object-oriented design
• Hardware/software integration
• Board support packages
• Unified Modeling Language (UML)
• C++ and C languages
• Assembly languages
• Python, PHP, Javascript
• Linux system programming
• Device driver programming
• Microcontroller programming / PIC & Atmel processors
• Sockets, TCP/IP, UDP, HTTP, AVB, I2C, SPI, RS-232/485, I2S
• Bluetooth Low Energy BLE
• Zeroconf/Bonjour
• Flash memory technologies
• MIDI and audio technologies
• POSIX, Pthreads, ThreadX, MicroC/OSII, QNX, LynxOS, Win32, OSX
• Gnu / Eclipse / Visual C++ / XCode / Code Composer / Green Hills tools
• STL and Boost
• ARM, Intel x86, Freescale Power PC/ColdFire, Microchip PIC, Atmel AVR, Nordic

Duane was a CNSV At-Large Director in 2011-2013, Vice-Chair in 2008 and most of 2010, and Treasurer from 2009 until early 2010.