Matt Campbell Email & Phone Number

• Independent contracting providing hardware and firmware design to help customers realize their embedded needs. Experience spanning several industries including consumer, industrial, defense, and advanced research.
• Embedded real-time system design
• Expertise in wireless and IoT hardware and software products
• Embedded firmware in C/C++ using bare metal or various RTOS (Zephyr, FreeRTOS, etc.)
• Schematic capture and PCB layout in Altium, KiCad, and other eCAD packages
• Embedded Linux development including Yocto, Kernel and driver development, bootloader, and application development

As the resident hardware guy at Circuity Happy I work with Ed Guild making modular Eurorack synthesizer modules. My work encompasses hardware and software architecture, overseeing internal technical systems, and hands-on design and development of our products' hardware and firmware. It's great getting to make products for such a creative and passionate.

Waltham, Massachusetts, US

• Engineering lead on yet to be released feature in upcoming 3d printer:
• Broke down work, coordinated with other engineering resources, lead status update meetings
• Architected and implemented C++ application targeting embedded ARM Linux
• Design, schematic capture and PCB layout in Altium, and bring up of PCBA including USB 2.0, I2C, and LED drivers.
• Advised in a consultation role on improvements to Yocto based embedded Linux distribution to improve stability, developer efficiency, and maintainability
• Assisted with compliance on upcoming product incl.uding software readiness, coordination, and emissions testing.

Cambridge, MA, US

• Lead firmware architecture and development efforts for Silvertree's Reach active senior wearable product.
• Architected and developed firmware based on Zephyr RTOS targeting Nordic Semi NRF52840 BLEand NRF9160 LTE chips.
• Participated in the Zephyr RTOS open source community through discussion and patch submission upstream.
• Modified vendor firmware for DA1600 WiFi chip based on FreeRTOS.
• Lead effort and implementation with other engineers of a CoAP and Protocol Buffers based communication system to Reach's needs in a constrained execution, low power, and cloud interoperable environment.
• Implemented automated test framework improving quality and agility including CI pipeline, host side unit tests, and hardware-in-the-loop testing.

• Owned the design of hardware for modular synthesizer products with Circuit Happy. Generally, making rad stuff and getting it out in the world to make some noise.
• Hardware design of new products include the ML:2
• Interface with contract manufacture for volume production
• Defined process and designed hardware and software for production QC and programming of units

Andover, Massachusetts, US

• Developed a new system design for an STM32 based system to cost-down Alert's customer delivery robot system. Worked with STM32, load cells and sensors, RFID, UART, etc.
• Worked with other principal engineer to design and implement a new scalable communications framework between back end computers and embedded systems. Worked with MQTT and an in-house serialization/deserialization wire.

Boston, Massachusetts, US

• LEADERSHIP
• Lead of five person firmware team (including self)
• Mentor junior engineers through weekly one-on-one meetings, task selection and breakdown, and technical education
• Foster a team culture of continual process improvement by facilitating frequent lightweight retrospectives
• Scope effort of new projects and communicate to senior management to enable key program decisions such as staffing and timelinesSOFTWARE
• Lead architect of embedded Linux distribution using the Yocto project

Boston, Massachusetts, US

Boston, Massachusetts, US

Cambridge, Massachusetts, US

• Developed embedded firmware targeting a portable medical diagnostic system with ARM and PIC processors using FreeRTOS and uCoS RTOSes..
• Diagnosed and debugged hardware design issues during board bring-up and recommended corrective design options.
• Designed and implemented user interface engines, drivers and automated hardware unit testing.
• Sequenced real-time motor and electrical operation for performing assay.
• Interfaced with various peripherals over SPI, I2C, and UART including GSM cellular modem, SDCards, debug terminal, etc.
• Involved with failure mode effects analysis of firmware for medical certification.

Lexington, MA, US

• Implemented custom software defined radio application using Ettus Research hardware. Designed real-time FPGA DSP, modified existing Ettus drivers, wrote client/server model host software. Integrated GnuRadio signal.
• Implemented FPGA based multi-channel arbitrary waveform generator on COTS hardware. Maintained Linux PCIe driver. Designed real-time I/O system for RF system control interfacing with various GPIO, SPI and I2C devices.
• Hardware lead for electronic warfare system consisting of 3 Virtex-5 FPGAs with multi-gigahertz ADC and DAC. Devised and implemented real-time signal processing algorithms in Matlab followed by implementation targeting.
• Involved with various extracurricular technology innovation challenges including novel applications of Android devices for national defense and development of visual tracking algorithms for autonomous quadcopter.

Worcester, Massachusetts, US

• Maintained codebase for legacy MSP430 based digital control system. Engineered two revisions of FPGA based mobile locator hardware from specifications through field testing.
• Wrote Microblaze targeted BSP for custom FPGA board supporting SPI, I2C, UART and GPIO components on top of a custom real-time scheduler.
• Worked closely with PhD candidates to implement MEMS inertial/gyro/magnetometer tracking hardware to improve system accuracy.
• Learned complex system design, embedded system implementation, working efficiently in a team, rapid debugging and prototype evaluation. Evaluated high level system specifications and design, selected parts, engineered.

• Designed and implemented a web-based test harness for pre-scheduled management of nightly build testing using PHP, Perl and TCL.
• Developed and implemented a state based interactive menu system in C++ for the front panel of Certeon’s network acceleration appliance.

Ms, Electrical And Computer Engineering

Bs, Electrical And Computer Engineering