Sam Crow Email & Phone Number

Menlo Park, Ca, Us

I Improved and expanded Android-based OS software for connectivity on VR headsets.From October 2022 to February 2024 I worked at Meta as a vendor worker, employed by Mission Peak.Since February 2024 I have been a full-time employee of Meta.

Dissertation title: Security Testing Tools for Complex Cyber-Physical SystemsAbstract:The modern world depends on the safe operation of infrastructure and vehicles for transport, communication, and power distribution. All these systems are increasingly computerized and interconnected. Connecting devices together into large systems creates new security vulnerabilities that conventional tests on single devices cannot find. To help find these vulnerabilities, we developed new tools to make testing complex systems easier. First, the Triton testbed provides a flexible way to test many interconnected devices that can include physical devices on real hardware, emulated devices running real software, and simulated devices that replicate the expected behavior of a physical device. Second, a Bus Driver device can modify messages on a wired communication bus to see how devices respond to modified messages. Finally, for part of the HyperScanner project, we adapted a low-cost software-defined radio to scan for Bluetooth devices more quickly by sending and receiving on many channels at the same time. The same approach could also be used to monitor wireless communication on many different protocols to detect problems with wireless security. These tools will enable more effective security testing to make complex cyber-physical systems safer and more reliable.

Redmond, Washington, Us

I adapted the custom Azure Sphere operating system firmware to initialize a multi-core ARM Cortex-A processor and boot Linux on multiple cores.

Redmond, Washington, Us

I expanded some custom firmware for the Azure Sphere operating system (in C++ and ARM assembly) and adapted a Yocto build system to support a new ARM Cortex-A processor and its peripherals.

I developed firmware in C for MSP430 microcontrollers to send signals that enabled battery-free Bluetooth Low Energy (BLE) communication.I also developed Android and iOS applications to receive the BLE signals and show that the system works.

I developed software for successful prototypes of a Wi-Fi monitoring device for home networks based on an ESP32 microcontroller, including embedded C monitoring code, a Python server, and an iOS application in Swift.

Developed Android applications and other software for ecology field research projectsThe software contributed to these publications:1. Analyzed ant movement data from an experiment on the International Space StationS. M. Countryman, M. C. Stumpe, S. P. Crow, F. R. Adler, M. J. Greene, M. Vonshak, and D. M. Gordon. Collective search by ants in microgravity. Frontiers in Ecology and Evolution, 2015.https://doi.org/10.3389/fevo.2015.000252 and 3. Developed interactive image analysis software for tracking ants in recorded videoJ. D. Davidson, R. P. Arauco-Aliaga, S. Crow, D. M. Gordon, and M. S. Goldman. Effect of interactions between harvester ants on forager decisions. Frontiers in Ecology and Evolution, 2016.https://doi.org/10.3389/fevo.2016.00115E. Pless, J. Queirolo, N. Pinter-Wollman, S. Crow, K. Allen, M. B. Mathur, and D. M. Gordon. Interactions increase forager availability and activity in harvester ants. PLoS One, 2015.https://doi.org/10.1371/journal.pone.0141971

In lab of Prof. Phil Levis, I worked on a new high-security embedded operating system in Rust. I developed drivers for an ARM Cortex-M microcontroller for SPI communication and an external wireless transceiver.

In the lab of Prof. Marco Pavone, I developed software and firmware for peer-to-peer communication for autonomous vehicle distributed algorithm testing.

Seattle, Wa, Us

I developed wireless communication software for battery-free phone project, including custom signal processing with GNU Radio and some work on ultra-low-power firmware.

* I developed torque vectoring software in C++ that uses wheel speed, steering, accelerometer, and yaw rate sensors to control traction in turns.* I designed and assembled circuit boards, with firmware in C, for LED brake and warning lights, safety system parts, and an analog-CAN data acquisition module.

I developed software for successful prototypes of a Wi-Fi monitoring device for home networks based on an ESP32 microcontroller, including embedded C monitoring code, a Python server, and an iOS application in Swift.

Developed the user interface of an application that displays information from autonomous oceangoing robots

Added animation and mapping features to Java data visualization software

Doctor Of Philosophy - Phd, Computer Engineering

Bachelor Of Science - Bs, Computer Engineering