Contract assignments (multiple managers, products, teams -- primarily HP)* Architect: motion control middle-layer interface to servos, sensors, pen & ink, timers, etc. Consultant to FW team on usage of sensor & position triggers, servo motion control, design robustness and optimization. * Motion and motor control -- multi-axis, integrated sequencing, performance tuning: carriage (X), paper (Y), pen maintenance, media path and output tray* Sensor integrated with servo motion to determine media presence, edge location, and optimize throughput* Developed motion control logic and error handling for driven dedicated media tray* Verification of user interaction scenarios, error detection and handling, performance tuning* Integration of optical sensor use into media handling path* OEM FW development of specialized ProvoCraft Cricut printer - developed specialized motion control and optical sensor algorithms - integration of printer device with product - developed test plans & scripts, functional verification, supported manufacturing - multi-functional, multi-company, multi-location team * Firmware & system designer, team lead, mentor & consultantSimplexity Product Development provides engineering services with a focus on product and custom equipment development. Clients often choose Simplexity because of expertise in low-cost, high-precision motion control, and the ability to take a product from initial concept to manufacturing release. The staff at Simplexity is comprised of expert product and process development engineers who together have authored more than 100 patents. With office locations in San Diego, Portland, and Seattle, Simplexity has become the west coast’s leading engineering services provider focused on mechatronic solutions.

* Firmware Developer for large-scale commercial printer/copier product. Owner of subsystem firmware responsible for ink delivery, media transport, print job preparation and pen servicing. RTOS and multi-threaded designs controlled and synchronized subsystems. Employed hierarchical state machine as well as a sequencer control thread. * Lead Developer and co-inventor of optical sensor applications for desktop printers, including media type and size detection. Designed and implemented signal processing algorithms, strategies, and FW subsystem. Designs enabled broad use of sensor functionality on multiple printer platforms. * Involved as sensor firmware architect, lead developer, mentor, defect manager, integration lead, manufacturing liaison, consultant and reviewer of new concepts and applications of sensor-based features. * Co-author of 7 patents, 1 additional pending. * Partner with multi-disciplinary teams, involved in technical decision making, risk assessment, scheduling, prioritization, and progress reporting.* Experience with entire software development life-cyle.Lang/OS/tools: C/C++, ASM, Python, Unix/Linux/Windows development environment, Green Hills tools, Threadx, VxWorks, source control manager (Clearcase, SVN, Git)

Developed embedded firmware for environmental, battery-powered datalogger systems. Responsible for FW design of all aspects of device operation, supporting time & event-based data acquistion. Extensive user interface, configuration and communication support functions. Design enabled product-family code re-use, field downloadable updates and easy adaptation to different types of sensors and configurations for custom hardware and system specifications. Developed PC-based utility application for equipment configuration and data retrieval.Languages/OS: C, ASM in 8051 uC and MS-DOS.

Developed control firmware for video encoder/genlock product. Developed software application which included a video/graphics event editor, hardware configuration utility, third-party developer library and DLL, and product calibration and test suites.Digital circuit design supporting 8051 microcontroller & ISA bus I/O. Languages: C, ASM, MS-DOS, Windows, and AmigaDOS

Developer - data-entry/database editor and a graphical entertainment applications on PC and Amiga platforms.