Product Design
About
Dunehaven Systems designs software and electrical hardware, specializing in the design of embedded systems and medical products.
Capabilities
- Conceptual / system-level design
- Embedded systems design (experience with many microcontroller types)
- Analog design (A/D, D/A, low level sensing, signal processing)
- Hearing aid systems
- Bluetooth / Bluetooth Low Energy
- Wi-Fi enabled embedded systems
- Low power / low voltage circuit design
- USB peripherals
- Implantable medical devices
- Pacing / defibrillation systems
- Printed circuit board layout and prototyping
Completed Projects
Here are some of the projects I have completed. Please contact me if I can help you with your product development needs.
I designed an R/C (radio control) servo motor with integrated gyro for stabilizing camera platforms. This was the first servo with built-in gyro stabilization. |
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I designed a low cost 2.4 GHz spectrum analyzer, consisting of a small USB-based circuit and Windows software. This design was featured in Circuit Cellar magazine. |
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Low cost hearing aid programmer using an AVR microcontroller. |
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I designed a low power wireless remote camera system. This project consisted of a remote controller capable of driving a pan/tilt platform, controlling a camera shutter release and sending real time video to a base unit. |
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I have designed a number of custom printed circuit boards for designs I have created. Shown is a sample of some of these boards. |
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Hardware and software design for an interface card for programmable hearing aids. Work included analog and digital design, embedded systems, C programming |
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Designed a motor controller for a sleep apnea device. |
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Designed the hardware and software for a web-based weather monitoring system. This includes an embedded system that acquires data and an Excel-based application in Windows to process and graph this data. Temperature and humidity are acquired. Also uses ultrasound to measure snow depth. |
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Designed a low cost circuit timer circuit for a disposable medical device. |
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Hardware and software design for a interface card for programmable hearing aids. This product became the industry standard portable programmer. Work included analog design, digital design, embedded systems, C programming. |
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Windows application software for a hearing aid programmer. This software is used by audiologists to program settings in hearing aids. I used Visual C++, MFC, DBase and NOAH in this project. |
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Digital design of implantable defibrillator. At the time of its introduction, this device was the smallest implantable defibrillator available. Tasks included 8051-based embedded system, FPGA prototyping, ASIC design, and low power design. I also designed a telemetry interface used with a PC to program the implanted device. I served as engineer and project manager for this project as well as for a companion external defibrillator. I also developed a prototype of a PDA-based system to program and control an implantable defibrillator via telemetry. |
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I was the lead electrical engineer on a programmable hearing aid system. |
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Application software for a handheld hearing aid programmer. This was the first commercial hearing aid programmer based on a handheld device. |
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Hardware design for an implantable drug pump programmer. This system was the first to utilize pharmacologically-based defibrillation. |
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Designed digital and analog hardware for a pacemaker programming system. Work included telemetry and ECG circuits. |
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Designed hardware and software for a doppler ultrasound blood flow monitor. This work involved analog design and embedded systems design using a DSP microcontroller and designing FFT algorithms and other signal processing functions. |
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Microprocessor hardware and software design of cockpit instrument to control and monitor aircraft inertial navigation system. Shortly after its introduction, this product captured 90% market share. |
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Designed hardware and software for aircraft flight director This was the first CRT-based cockpit display for commuter/business aircraft. This design used a custom processor and graphics controller. |
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