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Michael K

PROFILE

Michael K

Mikhail Karpov developed and maintained the ISSUIUC/MIDAS-Software platform, delivering robust embedded systems and telemetry solutions for flight and hardware control. He engineered features such as real-time telemetry visualization, redundant camera feeds, and safety-focused finite state machines, using C++ and Python to integrate hardware interfaces, I2C communication, and MQTT-based data handling. His work included refactoring telemetry pipelines, enhancing command processing, and improving CI/CD reliability, resulting in safer launches and more maintainable code. By addressing concurrency, state management, and documentation, Mikhail ensured the system’s reliability and clarity, demonstrating depth in firmware development, backend testing, and cross-platform build systems.

Overall Statistics

Feature vs Bugs

57%Features

Repository Contributions

155Total
Bugs
42
Commits
155
Features
55
Lines of code
5,499
Activity Months10

Work History

October 2025

35 Commits • 16 Features

Oct 1, 2025

October 2025 — ISSUIUC/MIDAS-Software monthly performance summary Key features delivered: - Radio stage verification: Added radio stage verification to strengthen data integrity and fault detection (commit 754b255d85d57131431a64ccf1b7eb0352860ff2). - Remove VMUXT timer fallback: Simplified control flow by removing the VMUXT timer fallback (commit 74fb5b6a16e604eff2e24c11fe5b5aed3205a417). - Add command processing queue: Implemented a robust command processing queue to improve throughput and responsiveness (commit a8b26fc32976cb43e24e537cc785062e263ab5dd). - FSM lockout and data format conversion: Introduced a lockout in FSM and added conversion from TeleMega data to MIDAS format for interoperability (commit f8f68ae100fbb6ef619c4c749e403325a4761460). - CI/compatibility and reliability improvements: Added CI build for Feather Duo (commit cfdf6995822feec4f23fc3b5c9cbb824f02fc092); Ubuntu std::array compilation fix; Python 3.11 upgrade and dependencies; testing scaffolding and documentation updates. Major bugs fixed: - Ground side feather telemetry fix (commit 2e41909f1a4a3b100439d44facae8839fbd13048). - Camera subsystem and state fixes: Fixes for orientation reset, MSB handling, invalid state handling, and related resets (multiple commits including 5138849940848f879047823faa182f779464b73a, 735509cd222e0733efdc6693d849d2fbcf6ea74a, 70bf3375476f4487e831fd24b451c7255266b0e2). - Ground decoding and data path fixes: Ground decoding fix; rad2deg conversion on ground (commits bc90ebc1be20dd029045e695e00ed28e4129f0f4, 5628baf1ad54bd15acd99576ff95fba8be445620). - Build/artifact stability: Artifact build fix (commit c78aee930e197d345937af78bc9914bd654e617b). Overall impact and accomplishments: - Improved reliability and data integrity across telemetry, command handling, and ground decoding pipelines. - Increased system stability and responsiveness with a new command queue, faster update rate adjustments, and safer VTX behavior after landing lockout. - Strengthened engineering rigor with CI coverage, Python 3.11 modernization, and cross-compatibility with midas-launch workflow. Technologies/skills demonstrated: - Real-time state machines and safety lockouts (FSM design and conversion logic). - Telemetry decoding and data format interoperability. - Python 3.11 upgrade and dependency management. - CI/CD practices and cross-platform build validation (Feather Duo CI). - Code cleanup, refactoring, and documentation practices for maintainability.

September 2025

2 Commits • 1 Features

Sep 1, 2025

September 2025 – ISSUIUC/MIDAS-Software: Focused on improving maintainability and clarity around finite state machine threshold handling for sustainer and booster stages. Delivered documentation enhancements that clearly explain the purpose, context, and usage of threshold values, supplemented by header comments and tagging to aid future development and audits. No critical bugs were reported this month; emphasis was on reinforcing code comprehension and future-proofing thresholds.

June 2025

2 Commits • 1 Features

Jun 1, 2025

June 2025 Monthly Summary for ISSUIUC/MIDAS-Software: Delivered reliability improvements enabling redundant camera views during launches and robust SD card data deletion, strengthening launch safety, data integrity, and overall system readiness.

May 2025

29 Commits • 5 Features

May 1, 2025

Concise monthly summary for 2025-05 focused on delivering reliable, value-driven firmware and build-system improvements in ISSUIUC/MIDAS-Software. Work centered on delivering user-facing startup timing enhancements, robust hardware interaction (EEPROM), system stabilization across components (standalone, beeps), and strengthening CI/build/test reliability to reduce drift and expedite shipping.

April 2025

15 Commits • 6 Features

Apr 1, 2025

April 2025 — ISSUIUC/MIDAS-Software: Delivered a focused set of features and reliability improvements across the MIDAS stack, enhancing GUI usability, telemetry reliability, and hardware feedback while improving performance and maintainability. Key features delivered: - MIDAS Base GUI and Telemetry Visualization Enhancements: Updated device management UI, real-time telemetry visualization, live terminal output, and log visibility with backend telemetry integration for a seamless user experience. - Serial Device Identification and Logging Enhancements: Added serial-based IDENT and improved logging for quicker debugging and issue resolution. - Duo Mode Support for Feather System: Introduced a new duo operation mode with CLI support and updated source-determination logic to prioritize duo over booster or sustainer modes. - Camera Control Commands and Radio Preamble Improvement: Extended command set with camera controls and increased RFM95 radio preamble length to improve reliability of remote camera operations. - Audible Beeps for Hardware Feedback: Added audible beeps to provide immediate user feedback during initialization and operation across hardware configurations. - Radio and Telemetry Performance Tuning: Tuned RF parameters and thread assignment, including CPU core pinning of critical threads, to optimize performance and resource utilization. Major bugs fixed: - Corrected acknowledgement handling in telemetry/command path (ACK). - Fixed receive path issues and related data handling to improve reliability. - Addressed command parsing/formatting inconsistencies and related edge-case robustness. - Improved logging format consistency to aid faster diagnostics. Overall impact and accomplishments: - Significantly improved user experience and diagnostic capability through better UI, real-time telemetry, and serial-based device identification. - Enhanced reliability of telemetry and camera operations with stronger feedback mechanisms and improved RF stability. - Optimized performance via CPU pinning and tuned radio parameters, enabling more deterministic behavior in demanding deployments. Technologies/skills demonstrated: - GUI development and frontend-backend integration for telemetry dashboards - Serial communication handling and device identification protocols - CLI design and mode prioritization logic (duo, booster, sustainer) - Hardware feedback mechanisms (audible beeps) and user-centric UX improvements - RF tuning, multi-threading, and resource optimization (CPU pinning)

March 2025

15 Commits • 4 Features

Mar 1, 2025

March 2025 monthly summary for ISSUIUC/MIDAS-Software. The team delivered major cross-subsystem improvements in telemetry, camera systems, flight control, and communications, focusing on data quality, reliability, and safety. Key features include Kalman Filter telemetry enhancements (added KF altitude telemetry, clamped KF position, exposed kf_position in telemetry, and extended KF altitude limits) and comprehensive Camera System Enhancements with automatic camera feed switching on acceleration, symbolic constants for camera feeds, an automatic 80-second feed swap, an idempotent swap flag, and I2C-based camera board state monitoring via a dedicated read thread. Flight Control System FSM Threshold Tuning refined vertical speed and timer thresholds for sustainer and booster transitions to improve stability. Telemetry Decoding Improvements fixed roll rate and pyro data decoding, adjusted intervals, ensured absolute roll rate values, and improved extraction and display of telemetry fields. Radio and Camera Communication Stability added angular velocity telemetry support, refined orientation handling, fixed MUX selection inconsistencies, and standardized radio frequencies across subsystems to improve communication reliability. Overall impact includes higher data fidelity, safer flight operations, faster diagnostics, and a stronger foundation for future features; demonstrated proficiency in Kalman filtering integration, embedded systems with I2C, real-time telemetry, and cross-subsystem coordination.

February 2025

47 Commits • 17 Features

Feb 1, 2025

Feb 2025 - Monthly summary for ISSUIUC/MIDAS-Software focusing on concrete business value and technical achievements: Key features delivered: - Pyro sensing integration using Nick's script as an implementation reference (two commits) to enable richer sensing capabilities and better situational awareness. - Locks: Introduced a concurrency control mechanism to improve robustness of parallel operations and prevent race conditions. - Drogue deploy delay: Added a deploy delay to manage deployment timing for drogues, improving safety and mission control accuracy. - Standalone subsystem added: Introduced a standalone module to improve modularity and reusability of system components. - B2B interface enhancements (I2C): Implemented B2B I2C communication to improve reliability and expand inter-module data exchange. - Startup sequence enhancements: Improvements to initialization tone and sequencing tweaks to reduce boot-time errors and improve user feedback. - (Auxiliary) Feathers/feather-side camera toggle and VMUX/Midas integration considered as ongoing improvements, enabling more flexible hardware configurations. Major bugs fixed: - LoRa driver half fix: Fixes to the LoRa driver to address half-implemented functionality and stability. - Merge fix: Corrects issues introduced during a merge to restore stable integration. - Disable duplicate checking: Disables duplicate checking to resolve edge-case behavior and reduce false positives. - Pyro timing fixes: Corrects timing control and synchronization for pyro-related features. - ACK handling fix: Corrects acknowledgment handling logic to restore reliable message flow. - RX/TX Feather fix: Resolved RX/TX path issues on Feather hardware for reliable communication. - Printing and output fixes: Stabilized printing/output-related behavior to avoid regressions. - Comms speed and timeout improvements: Optimized receive/transmit timing and timeout handling for more robust communication. Overall impact and accomplishments: - Significantly improved system reliability, maintainability, and readiness for field deployments by stabilizing core communication channels, boot sequence, and sensing paths. - Reduced incident risk by addressing critical hardware/interface bugs and merge-related issues, enabling smoother integrations and faster iteration. - Enhanced modularity with standalone subsystem and I2C interfaces, supporting easier future feature expansion and maintenance. Technologies/skills demonstrated: - Embedded software development (C/C++), hardware interfacing (LoRa, I2C, UART), timing and sequencing control, and real-time responsiveness. - Debugging and crash analysis under hardware constraints, code cleanup and review responsiveness, and rapid iteration on Nick's scripting-based sensing approach. - System-level thinking: concurrency control, watchdog considerations, and robust startup sequences for reliable field operation.

January 2025

2 Commits • 2 Features

Jan 1, 2025

January 2025: Delivered two core features for the ISSUIUC/MIDAS-Software platform, focusing on telemetry fidelity, data traceability, and attitude estimation accuracy. The work enhances flight telemetry publication with metadata, refactored packet structures, and more configurable MQTT-based publishing, alongside quaternion-based orientation calculations and ground-station RF configuration updates. These changes improve data reliability, operational configurability, and maintainability of the telemetry and orientation subsystems, setting a foundation for faster issue diagnosis and safer flight operations.

December 2024

1 Commits • 1 Features

Dec 1, 2024

December 2024 monthly summary for ISSUIUC/MIDAS-Software focusing on delivering a higher-visibility buzzer alert and improved state management. Key change delivered: Buzzer Warning Tone Loudness Optimization to ensure critical warnings are audible in diverse environments. Minor internal improvement: updated the FSM tick function to pass CommandFlags by reference, enabling more reliable and efficient state transitions. All work aligns with safety-critical requirements and system reliability while preserving maintainability.

November 2024

7 Commits • 2 Features

Nov 1, 2024

Nov 2024 focused on safety and usability improvements for the MIDAS software, with notable progress in the pyro safety FSM, improved operator feedback through LED/buzzer, and essential code cleanup to stabilize builds. Key operational outcomes include safer remote pyro testing, clearer state transitions, and reduced maintenance overhead.

Activity

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Quality Metrics

Correctness81.6%
Maintainability83.4%
Architecture75.8%
Performance76.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

ArduinoCC++JSONMarkdownPythonYAML

Technical Skills

Backend DevelopmentBuild System TestingBuild SystemsC++C++ DevelopmentCI/CDCode CleanupCode RefactoringCommand ProcessingCommand and ControlCommand-line argument parsingCommunication ProtocolsConcurrency ControlConfiguration ManagementControl Systems

Repositories Contributed To

1 repo

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

ISSUIUC/MIDAS-Software

Nov 2024 Oct 2025
10 Months active

Languages Used

C++CPythonArduinoJSONYAMLMarkdown

Technical Skills

Driver DevelopmentEmbedded SystemsFirmware DevelopmentHardware ControlHardware InteractionSafety Systems

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