Duane's involvement in the hardware and software design world goes back to the days of the CDP1802 and Z80 up through current microcontrollers such as PIC, ARM, and Atmega. After hours, he designs microcontroller and motor control boards for small robots, and Arduino-based devices. In his day job, he has been dishing out PCB layout and DFM advice via the Screaming Circuits blog since 2006. He is also a contributor to industry technical publications and conferences