dalathegreat/Battery-Emulator
Dec 2024 – Feb 2026
8 Months active
Languages Used
ArduinoCC++MarkdownYAML
Technical Skills
C++CAN BusCI/CDConfiguration ManagementEmbedded SystemsFirmware Development
No-Signal
PROFILE
No-signal
Matt Holmes developed and maintained the Battery-Emulator repository, delivering twelve features and resolving five bugs over eight months. He focused on embedded systems and IoT, using C++ and MQTT to enable robust CAN Bus integration, secure configuration management, and reliable telemetry. His work included hardware abstraction for ESP32, SD card logging, and Home Assistant integration, with careful attention to memory management and CI/CD automation. Holmes addressed edge cases such as asynchronous cell voltage publication and MQTT reliability, refactored code for maintainability, and improved onboarding documentation. His engineering demonstrated depth in firmware development, system stability, and cross-component integration.
Overall Statistics
Feature vs Bugs
71%Features
Repository Contributions
40Total
Bugs
5
Commits
40
Features
12
Lines of code
5,854
Activity Months8
Your Network
43 peopleShared Repositories
43
Work History
February 2026
1 Commits
Feb 1, 2026February 2026: Battery-Emulator reliability improvements focused on robust cell voltage publication when cell-count retrieval is delayed. Implemented targeted fixes with clearer variable naming and publication conditions to ensure reliable data publishing and improved downstream data integrity.
1 Commits
Feb 1, 2026February 2026: Battery-Emulator reliability improvements focused on robust cell voltage publication when cell-count retrieval is delayed. Implemented targeted fixes with clearer variable naming and publication conditions to ensure reliable data publishing and improved downstream data integrity.
February 2026
September 2025
1 Commits
Sep 1, 2025Monthly summary for 2025-09 covering work on dalathegreat/Battery-Emulator with a focus on stabilizing MQTT client operation and task integration. The primary achievement was addressing the MQTT loop setup regression and aligning its lifecycle with the system task scheduler to improve reliability of the Battery Emulator's MQTT communications.
September 2025
1 Commits
Sep 1, 2025Monthly summary for 2025-09 covering work on dalathegreat/Battery-Emulator with a focus on stabilizing MQTT client operation and task integration. The primary achievement was addressing the MQTT loop setup regression and aligning its lifecycle with the system task scheduler to improve reliability of the Battery Emulator's MQTT communications.
August 2025
12 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for dalathegreat/Battery-Emulator: Key hardware integration, MQTT enhancements, remote control capabilities, and stability work delivering business value.
12 Commits • 3 Features
Aug 1, 2025August 2025 monthly summary for dalathegreat/Battery-Emulator: Key hardware integration, MQTT enhancements, remote control capabilities, and stability work delivering business value.
August 2025
May 2025
1 Commits
May 1, 2025In May 2025, the Battery-Emulator project focused on reliability and stability of the MQTT subsystem to reduce risk in production and support longer-running simulations in resource-constrained environments. No new user-facing features were released this month; the emphasis was on robust memory management and code quality for long-running workloads.
May 2025
1 Commits
May 1, 2025In May 2025, the Battery-Emulator project focused on reliability and stability of the MQTT subsystem to reduce risk in production and support longer-running simulations in resource-constrained environments. No new user-facing features were released this month; the emphasis was on robust memory management and code quality for long-running workloads.
March 2025
3 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for dalathegreat/Battery-Emulator: Delivered MQTT Reliability and Publish Enablement for cell voltages, including timeout handling, dedicated higher-stability MQTT task scheduling, and robust topic matching to prevent crashes. Moved MQTT loop to a lower-priority task to minimize impact on WiFi and HTTP performance. Fixed topic processing for shorter-topic inputs to prevent crashes. This work reduces watchdog resets, increases telemetry reliability, and improves system determinism. Commits included: 6109211c965cd2d77509dd867f1cf63e5172c0f5; d9167c3cc7eb1f50692969083d806c0bfb2bcbc4; 15b15435559fdd1d243ba9e971420fbd6be2d21a.
3 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for dalathegreat/Battery-Emulator: Delivered MQTT Reliability and Publish Enablement for cell voltages, including timeout handling, dedicated higher-stability MQTT task scheduling, and robust topic matching to prevent crashes. Moved MQTT loop to a lower-priority task to minimize impact on WiFi and HTTP performance. Fixed topic processing for shorter-topic inputs to prevent crashes. This work reduces watchdog resets, increases telemetry reliability, and improves system determinism. Commits included: 6109211c965cd2d77509dd867f1cf63e5172c0f5; d9167c3cc7eb1f50692969083d806c0bfb2bcbc4; 15b15435559fdd1d243ba9e971420fbd6be2d21a.
March 2025
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 focused on reliability and observability improvements for the Battery-Emulator. Implemented a dedicated SD Card Initialization Failure Notification, enabling proactive alerting and easier debugging in test pipelines. The SD initialization flow now records a failure via a specific event flag, clears it on success, and emits a defined failure message, improving state visibility and resilience. All work is tracked by a single, well-scoped commit.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025 focused on reliability and observability improvements for the Battery-Emulator. Implemented a dedicated SD Card Initialization Failure Notification, enabling proactive alerting and easier debugging in test pipelines. The SD initialization flow now records a failure via a specific event flag, clears it on success, and emits a defined failure message, improving state visibility and resilience. All work is tracked by a single, well-scoped commit.
January 2025
16 Commits • 5 Features
Jan 1, 2025January 2025 performance summary for dalathegreat/Battery-Emulator focused on delivering robust data capture, reliable remote management, scalable multi-emulator support, and improved developer onboarding. The team streamlined logging, upgraded MQTT reliability, extended remote BMS control across devices, sharpened dual-battery handling, and refreshed documentation to accelerate adoption.
16 Commits • 5 Features
Jan 1, 2025January 2025 performance summary for dalathegreat/Battery-Emulator focused on delivering robust data capture, reliable remote management, scalable multi-emulator support, and improved developer onboarding. The team streamlined logging, upgraded MQTT reliability, extended remote BMS control across devices, sharpened dual-battery handling, and refreshed documentation to accelerate adoption.
January 2025
December 2024
5 Commits • 2 Features
Dec 1, 20242024-12: Delivered two key features in Battery-Emulator focusing on security, reliability, and maintainability. Implemented Secrets Management Migration with CI Workflow Integration and added CAN Frame Logging to SD Card with a hardware guard. These changes reduce secret exposure, automate build-time preparation, enhance observability, and enforce hardware safety to prevent runtime errors. No critical bugs reported this month; the changes position the project for safer deployments and faster issue resolution, with stronger alignment to build standards.
December 2024
5 Commits • 2 Features
Dec 1, 20242024-12: Delivered two key features in Battery-Emulator focusing on security, reliability, and maintainability. Implemented Secrets Management Migration with CI Workflow Integration and added CAN Frame Logging to SD Card with a hardware guard. These changes reduce secret exposure, automate build-time preparation, enhance observability, and enforce hardware safety to prevent runtime errors. No critical bugs reported this month; the changes position the project for safer deployments and faster issue resolution, with stronger alignment to build standards.
Activity
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Quality Metrics
Correctness87.8%
Maintainability87.0%
Architecture85.2%
Performance84.8%
AI Usage21.4%
Skills & Technologies
Programming Languages
ArduinoCC++MarkdownYAML
Technical Skills
C++C++ DevelopmentC++ programmingCAN BusCAN CommunicationCI/CDCode RefactoringConfigurationConfiguration ManagementDevice DriversDocumentationDriver DevelopmentESP-IDFESP32Embedded Systems
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