Current Residence: Denver, CO USA
Phone: +1 (303) 439-0909
Email: csteiner@vaultbbs.com
Resume last updated 15-Jul-2008
OBJECTIVE
-
Full-time employment or consulting as a software engineer or project manager in my
fields of expertise.
SUMMARY OF MAJOR FIELDS OF EXPERTISE
- Consulting, identification, and implementation of customer needs, requirements, and specifications
- Microcontroller & embedded software development (especially 8052-compatible, Palm OS)
- Electrical circuit design and printed circuit board layout
- Internet site/application development (Unix-based, ‘C’, CGI, PHP scripting, HTML, MySQL)
- Windows software development (VisualBasic, Visual C++)
- Authored the book "The 8051/8052 Microcontroller: Architecture, Assembly Language, and Hardware Interfacing"
- Webmaster of 8052.com and PrismEmail
SKILLS AND OTHER NOTABLE EXPERIENCE
- CONSULTING/SPECIFICATIONS. As an independent consultant for the last 9 years, I am proficient at
working with clients to determine their requirements, establish a proposal based on a detailed functional
and technical specification, estimate the time and cost of the project, and implement the project according
to an agreed-upon timeline.
- ELECTRICAL ENGINEERING. Significant capability for circuit design, analysis, and review, with experience
with printed circuit board layout and manufacturing. Designed and produced the 8052.com SBC.
- COMPUTER LANGUAGES. Professionally fluent in the computer languages 'C', Microsoft
Visual Basic 3.0/5.0/6.0, the Novell Netware Windows API, and capable of developing
Internet-based applications in both VB and 'C'. I have a working knowledge of 80x86
Assembly Language and in-depth knowledge of 8051 Assembly Language. I have had academic
exposure to Pascal, Fortran, Cobol, and Ada with at least 1-2 semesters of classes at
the University of Colorado - Denver in each of these languages.
- EMBEDDED 8052 / MCS-51. Extensive knowledge of embedded systems, specifically
MCS-51 (8031 / 8051 / 8032 / 8052 / etc). Fluent in MCS-51 assembly language as well
as 'C'-based implementations. To-date, the vast majority of my consulting experience
has been related to MCS-51 projects. I am webmaster and author of 8052.com
as well as the 8052 Simulator for Windows
and Pinnacle 52 IDE applications. I have also
authored "The 8051/8052 Microcontroller" Book (ISBN 1581124597).
- PERSONAL DIGITAL ASSISTANT. I have worked with both Windows CE and, more recently, with Palm OS software
development and have developed complete applications for both platforms.
- DATABASE / SQL. Broad knowledge of relational databases including design theory
and implementation. I have utilized Microsoft SQL Server 6.5, MySQL, and Microsoft Access 2.0/97
as integral parts of information-management applications, and have worked extensively
in Structure Query Language (SQL), having developed stored procedures and triggers as
well as traditional database queries.
- WEB APPLICATION DEVELOPMENT. I have developed a number of Internet/Web-based applications based on both PHP and
CGI scripts written in ‘C’. Systems include an e-commerce/customer/order-tracking system to process online orders, a
customized user message forum on 8052.com, and a Yahoo-style web page creation engine whereby users can create their
own web pages from within their browser at 8052.com.
- OPERATING SYSTEMS. Expert in Linux (especially Red Hat 7.3, 9.0, and Fedora Core 3), MS-DOS, Microsoft
Windows 95/98/XP. I also have more limited experience with Macintosh and IBM OS/2.
- LANGUAGES. Fluent in Spanish, English (native language).
WORK EXPERIENCE
September 2008 Present |
Irrigation-Related Company Project: Irrigation Control System Project consists of maintaining and developing new features for a commercial irrigation control system.
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September 2007 September 2008 |
Cropwire LLC, Lodi, CA Project: 8052-Based Remote Data Logger & Internet Server Contact/Reference: Bryan Osborn Project consisted of continuing development for the previous project I developed for the client in 2005.
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July 2006 August 2007 |
Millennia Music & Media, Placerville, CA Project: Digitally Controlled Analog High-Voltage Preamp Contact/Reference: Stephan Buck Project consists of developing the digital front-panel controls of a high voltage pre-amplifier that will be used by clients such as Carnegie Hall, the Mormon Tabernacle Choir, etc. The firmware controls two independent LCDs, 45 LEDs, monitors 18 buttons and a quadrature encoder, and uses this I/O to allow the user to control the gain, muting, polarity, and gain of eight separate audio channels. The firmware is also able to communicate with external devices via Ethernet or MIDI.
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July 2006 March 2007 |
Power Efficiency Corporation, Las Vegas, NV Project: Three-Phase Power Factor Optimization Contact/Reference: John Hurst Project consists of developing the firmware for a device that measures three-phase voltage and current, and adjusts them dynamically to achieve an optimized power factor which produces a potential savings in energy. This is an embedded component that will be integrated with industrial high-power motors (elevators, escalators, etc.) to improve their efficiency. This is essentially the same product as described below, but for three-phase motors rather than single phase.
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August 2006 September 2006 |
Power Efficiency Corporation, Las Vegas, NV Project: Single-Phase Power Factor Optimization Contact/Reference: John Hurst Project consisted of writing new firmware for an already-existing hardware design to replace existing firmware that was not working for the customer. This is a single-phase version of the three-phase project (immediately above) and was started and completed while the three-phase project was stalled due to a delay on the hardware design.
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November 2005 June 2006 |
Professional Automation Services, Longmont, CO Project: VB/PHP-based Internet & Reporting Systems Contact/Reference: Brian Anderson As a long-term consultant, I am involved in the development and enhancement of systems that are primarily related to the storage, retrieval, printing, and reporting of employee tax information—specifically the annual W-2 forms.
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February 2005 July 2005 |
Advanced Vineyard (now Cropwire LLC, Woodbridge, CA Project: 8052-Based Remote Data Logger & Internet Server Contact/Reference: Bryan Osborn Project consisted of assisting the client in identifying his software and hardware requirements, establishing a specification, and the subsequent development of firmware for an MSC1210 microcontroller (8052-based). The system performs data collection and subsequently transmits the collected data wirelessly to an Internet server. The project also included developing software that receives the data on the Internet server and the actual website design for the entire domain.
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August 2004 February 2005 |
The 8051/8052 Microcontroller Book (ISBN 1581124597) Authored a book on the 8051/8052 microcontroller that was published in October 2005.
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March 2004 August 2004 |
Palm GPS Toolkit Application Development (Independent Project) Developed a GPS toolkit application for the Palm platform which provides standard GPS navigation features, such as waypoints, routes, real-time navigation map, ETA to next waypoint, final destination, etc.
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May 2003 July 2003 |
USA Signal, Inc., Dallas, TX Project: Stoplight Bulb Controller Contact/Reference: Paul Calixto Designed and developed the 8052 assembly language firmware to operate the logic within a LED-based stoplight bulb. The firmware detected failure of the component LEDs and automatically adjusted voltage appropriately to maintain a fixed brightness output, while also detecting day/night mode in order to auto-dim the bulb at night.
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Janary 2003 April 2003 |
AISD, Inc., Grass Valley, CA Project: Simulator Project Contact/Reference: John Kesterson Projected consisted of the development of a specialized simulator written in Visual Basic 6.0 which simulated the function of a proprietary microcontroller. This built on the experience I had writing a simulator based on my past work with the 8052 Simulator and Pinnacle 52 IDE. The simulator allowed the client to accelerate its own development by allowing them to develop and test code within the simulator before the actual microcontroller hardware existed.
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October 2002 March 2004 |
PrismEmail Spam Filtering Service (Independent Project) Primary architect and developer of the PrismEmail spam filtering service. This service acts as a POP3 mail filter by having the user download their POP3 email from PrismEmail while PrismEmail downloads their email from their true POP3 provider, filtering undesirable spam in the process using traditional keyword filters as well as state-of-the-art Bayesian statistical filtering.
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May 2002 September 2002 |
Texas Instruments, Inc., Tucson, AZ Project: MSC1210 Documentation Project Contact/Reference: Russell Anderson Project consisted of writing a complete technical user manual explaining the functionality of the MSC1210, an 8052-derivative developed and distributed by Texas Instruments.
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May 2002 August 2002 |
Link World Trade, Inc. (now USA Signal, Inc.), Dallas, TX Project: Medical Dose Meter Contact/Reference: Paul Calixto Project entailed writing the 8052 firmware for a device that attaches to metered medication dispensers (such as asthma inhalers, eye drops, etc.). The firmware reminds the patient of scheduled doses of the medication and also records the actual time and amount of medication consumed by the patient. The information is subsequently downloaded by a doctor.
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February 2002 March 2002 |
Cima World Traveler Palm-Based Application (Independent Project) I developed the Cima World Traveler Palm-based application. This B&W/color Palm application was designed for the frequent world traveler and contains useful functions such as a world, country, and city database, currency conversion, a world clock, and measurement conversions.
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July 2001 November 2001 |
8052.com Online Store (Independent Project) I designed and developed a custom "Online Store" for my site, 8052.com. The Online Store, which went online in October 2001, allows vendors of 8052-related products to list their merchandise in the Online Store which visitors to the site are subsequently able to purchase. Includes customer interface with catalog, shopping cart, and order system, along with a back-office component that manages the process for the life of the order and ultimately orders payments to the vendors based on the previous month's sales.
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July 2000 January 2001 |
Avocet Medical, Inc., San Jose, CA Project: Pinnacle Simulator Modification Contact/Reference: Dr. Stephen Zweig Project consisted of modifying the Pinnacle 52 IDE to simulate custom hardware specified by client. This allowed the client to develop and test firmware for their custom device before it was actually built.
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August 2000 October 2000 |
Texas Instruments, Inc., Dallas, TX Project: 8052 USB Keyboard Firmware Development Contact/Reference: Michael W. Wilson Project consisted of developing firmware written in 'C' for Texas Instruments' TUSB2136 microcontroller, an 8052-compatible derivative which provides USB support. The code provides the complete firmware of a 102-key USB keyboard and is used as the example/reference code offered by Texas Instruments for developers using the TUSB2136 microcontroller.
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March 2000 April 2000 |
SCAN, S.A. de C.V.,
Monterrey, Mexico Project: Windows CE Portable Sales Data Collector Contact/Reference: Alejandro Jose Phillips Project consisted of developing a sales and route control system within a Windows CE environment using a Symbol Technologies PPT2700 hand-held device. Software functions include utilizing the integrated barcode scanner, file system, and IrDA infrared I/O port to communicate with an external portable printer. The application is used by delivery personnel that deliver food product to customers, using the application to record sales, transit times, and print sales receipts.
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August 1999 January 2000 |
Cunningham Electronics Corporation,
Anna, Illinois Project: Bar-Code Decoder and Motor Control Contact/Reference: Richard W. White Project consisted of developing 8052 assembly language code to operate a coupon-scanning device which operates a motor to receive a coupon and read its barcode. The code interprets and decodes information received from the optical barcode scanner supporting multiple symbologies.
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January 1999 March 2000 |
Pinnacle 52 Integrated Development Environment (Independent Project) Expanding on the 8052 Simulator I wrote in 1997 (see below), in 2000 I developed and released the Pinnacle 52 Integrated Development Environment. Pinnacle is a full IDE including editor, assembler, linker, and simulator for the 8052 and compatible derivatives.
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May 1997 June 2000 |
Analog Devices, Limerick, Ireland Project: Modification to 8052 Simulator for Windows Contact/Reference: Brian O'Mara Analog Devices contracted me as an independent consultant to modify and enhance my 8052 Simulator to fully simulate new microcontrollers that they are currently in the process of developing and promoting. The modified Simulator is being included in Analog Devices' Software Development Kit which is sold to customers which are interested in taking advantage of the new microcontroller's special features.
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March 1997 July 1997 |
TDK Semiconductor, Green Valley, California Project: Modification to 8052 Simulator for Windows Contact/Reference: Steve Buck TDK Semiconductor contracted me to modify my 8052 Simulator to support the special features included in a new 8052-based microcontroller that they are currently developing. It was necessary for TDK to start writing application software for their new microcontroller before the firmware actually existed; thus I made the requested changes to the Simulator and they were able to begin software development using my Simulator in lieu of the actual hardware.
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May 1997 July 1997 |
Link World Trade, Inc. (now USA Signal, Inc.), Dallas, TX Project: 8052 Development for U.S. Postal Service Sorter Contact/Reference: Paul Calixto Project consisted of reverse engineering an existing 8052 assembly language program, determining the use and function of each of 32 digital I/O lines, and writing a new assembly language version of the software. The final product was a control panel that is currently being sold in quantity to the U.S. Postal Service as one of the principal components of mail sorting machines.
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October 1996 March 1997 |
8052 Simulator for Windows (Independent Project) 8052 Simulator for Windows simulates the 8052 microcontroller in a Windows environment. The program is written in Visual Basic with an additional DLL written in Visual C++ and in Assembly Language.
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May 1996 April 1999 |
SCAN, S.A. de C.V.,
Monterrey, Nuevo Leon, Mexico Employment: Software Engineer Contact/Reference: Aldo Laiseca Worked as a software engineer in 'C', Visual C++, Visual Basic, and in various assembly languages (Intel 80x86 and 8051/8031) developing an assortment of information-collection and management programs for clients throughout the country of Mexico. (Employment Details: PDF | HTML)
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July 1994 Jan. 1996 |
Automotive Computer Technology, Littleton, Colorado, U.S.A. Employment: Software Engineer Contact/Reference: Ted Ott Participated as a member of a development team that worked in a MIPS-based Unix Operating System developing a 'C'-based financial application. The application assists automobile dealerships in the task of managing car sale/lease deals in such a way as to maximize dealer profits. (Employment Details: PDF | HTML)
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Dec. 1992 July 1994 | Micro Insurance Software, Inc., Aurora, Colorado, U.S.A. Employment: Network Administrator/PC Support Specialist Contact/Reference: Ned Boddy Acted as the Novell network administrator and internal support department and was responsible for approximately US$250,000 worth of purchases in 1993. Independently developed a purchase authorization and asset tracking system to improve my efficiency in my primary tasks. (Employment Details: PDF | HTML)
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Aug. 1990 Dec. 1992 | Automotive Computer Technology, Littleton, Colorado, U.S.A. Employment: Software Engineer Contact/Reference: Ted Ott As my first position in the software industry, my primary task was initially the development of programs to print forms for automobile leases and purchases. As my experience in the field grew I began to assume duties in more complicated areas such as financial calculations, bar code reading, and modem-based communications to access customer credit bureau reports. (Employment Details: PDF | HTML)
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EDUCATION
Aug. 1989 May 1995 |
University of Colorado at Denver,
Denver, Colorado Bachelor of Science in Business Administration Major in Information Systems CU-Denver Regents Scholar Received degree May 1995.
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REFERENCES
- Available upon request. Email addresses for the contacts/references mentioned in this
resume are also available upon request--they've been removed from this online version of my
resume to help the contacts avoid being spammed.