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ZacharyBer

PROFILE

Zacharyber

Over six months, contributed to the Formula-Electric-Berkeley/FEB_Firmware_SN4 firmware by developing nine features and resolving two bugs focused on embedded systems and CAN bus communication. Work included implementing dynamic power limiting based on battery voltage, enhancing CAN telemetry for throttle and pedal sensors, and improving data logging and system observability. Leveraged C and Python to refactor low-level hardware interfaces, optimize data handling, and streamline debugging processes. Delivered robust firmware updates that improved safety, reliability, and traceability, while maintaining clear commit histories for auditability. Technical efforts emphasized microcontroller programming, sensor calibration, and real-time data integrity across evolving hardware requirements.

Overall Statistics

Feature vs Bugs

82%Features

Repository Contributions

13Total
Bugs
2
Commits
13
Features
9
Lines of code
793,600
Activity Months6

Work History

September 2025

1 Commits • 1 Features

Sep 1, 2025

September 2025 (2025-09) – Focused on instrumentation and observability for the FEB_Firmware_SN4 module to improve data quality and debugging efficiency. Key feature delivered: Accelerator Pedal ADC Debug Logging, enabling visibility into ADC channel values during operation. Major bugs fixed: None reported in this period. Overall impact: Improved data traceability and faster root-cause analysis for accelerator pedal sensor data, setting the stage for more efficient calibration and validation in future sprints. Technologies/skills demonstrated: Embedded C, firmware-level instrumentation, CAN bus tracing (FEB_CAN_RMS.c), and rigorous commit-based traceability for reproducibility and audits.

August 2025

3 Commits • 2 Features

Aug 1, 2025

August 2025 performance summary for FEB_Firmware_SN4: Delivered two integrated feature tracks that improve data observability, data integrity, and readiness for future features. CAN Bus Enhancements and UI Integration adds a new CAN message for raw PCU accelerometer data, LV bus voltage filtering, and UI display improvements with updated tooling; Data Logger Enhancements enables default data logging, robust SD card mounting and log file creation, ensures non-interference by disabling CAN during logging, and refactors the XBee loop for future features. Submodule management and codebase alignment were performed to fix submodule configuration and adopt DASH code.

July 2025

2 Commits • 1 Features

Jul 1, 2025

July 2025: Focused on stabilizing critical CAN data paths and correcting BMS control logic for FEB_Firmware_SN4. Delivered a CAN-based accelerator pedal data transmission feature and applied a high-priority bug fix to BMS initialization and torque computation, with updated debugging configurations to support faster validation. These changes improve real-time control accuracy, data integrity, and development efficiency.

June 2025

1 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary: Delivered Battery Pack Voltage-Based Power Limiting feature for FEB_Firmware_SN4 to dynamically cap torque based on pack voltage, protecting battery health and ensuring safe operation under voltage fluctuations. The work enhances safety, reliability, and performance consistency in varying operating conditions, and sets the foundation for voltage-aware control strategies.

May 2025

2 Commits • 1 Features

May 1, 2025

May 2025 Monthly Summary for FEB_Firmware_SN4: Delivered CAN TPS Telemetry with Heartbeat signaling and calibration adjustments to enhance system visibility, safety, and control reliability. Implemented TPS data transmission over CAN and corrected pedal/throttle calibrations to improve data accuracy for downstream control loops.

March 2025

4 Commits • 3 Features

Mar 1, 2025

March 2025 performance summary for FEB_Firmware_SN4 focusing on delivering core platform capabilities, code quality improvements, and robust data handling that enable faster hardware integration and safer product releases.

Activity

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Quality Metrics

Correctness80.8%
Maintainability80.0%
Architecture79.2%
Performance70.8%
AI Usage20.0%

Skills & Technologies

Programming Languages

CPythonXML

Technical Skills

C ProgrammingCAN BusCAN Bus CommunicationCode GenerationData LoggingDebuggingDebugging ConfigurationDevice DriversEmbedded SystemsFirmware DevelopmentLow-Level HardwareLow-Level ProgrammingMicrocontroller ConfigurationMicrocontroller ProgrammingSensor Calibration

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

Formula-Electric-Berkeley/FEB_Firmware_SN4

Mar 2025 Sep 2025
6 Months active

Languages Used

CXMLPython

Technical Skills

C ProgrammingCAN BusCAN Bus CommunicationEmbedded SystemsFirmware DevelopmentLow-Level Programming