Experience

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  BioLite

  • Brooklyn, New York, United States

  • Senior Firmware Engineer

    • Jan 2019 - Mar 2024
    • Brooklyn, New York, United States

    Designed complete stand-alone multi-tasking firmware for headlamps, lanterns, solar power collectors, and battery power distribution nodes.Extensive use of Embedded C on Arm Cortex processors.Devices employed active thermal management, PWM charging, LED PWM drive, MPPT solar power collection, battery power minimization.Overcame Arm supply chain issues using Padauk processors and writing in assembler.Supported mass production development, writing firmware with changing requirements and custom support for test engineers and ID team.Proposed and coded many new product features, enthusiastically approved by UI and ID teams.

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  MechoSystems

  • Greater New York City Area

  • Senior Electronics Engineer

    • Aug 2011 - Jul 2016
    • Greater New York City Area

    Designed electronics, embedded firmware, and communications protocols, for networked automated window shade control systems.Designed entire hardware and pic18 assembly firmware for multimodal interface node, with 5 soft and 2 hard uarts, 8 dry contact interfaces, multiple comm protocols, pipelined binary searched downloaded command maps interpreted real-time, code update over the network, infra-red receiver, 95 step onboard self-test, and full configurability over network or through a simple but powerful led and pushbutton interface.Wrote real-time embedded pic18 assembly code program which translates between 5 communication protocols in a router.Cooked entire multitasking kernal, with interrupt driven bit interleaved soft uarts, and 20+ fsm state machines.

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  Leviton Manufacturing Co

  • Queens, NY

  • Chief Engineer

    • Sep 1997 - Jun 2007
    • Queens, NY

    Performed basic research and product development in electronics and firmware for powerline arcing and ground-fault detection equipment.Contributed considerable intellectual property and patents: Powerline arc detection AFCI, binding algorithms, zero-cross alignment, GFCI detection and self-test,X-10 communications, and user interfaces.Designed hardware & firmware for device which communicates X-10 over powerline and RS-485 over twisted pair, while executing a finite state machine and synchronizing to a large network.Designed hardware & firmware for adaptive control of proprietary devices. Product communicates with network via LONworks Neuron chip, and performs timing sensitive local control by reading switches and sensors.