
Derek developed advanced robotics control systems for the 2202Programming/FRC2025 and PriorBots repositories, focusing on autonomous navigation, subsystem modularity, and real-time actuation. He engineered features such as PID-based position and velocity control for CapstanDrive and Cycloidal Drive, robust climber diagnostics, and vision-based localization using Java and WPILib. His approach emphasized maintainable, testable architectures, integrating command-based frameworks and build automation with Gradle. Derek’s work addressed reliability and calibration challenges, improved operator control, and streamlined multi-repo library management. Through iterative enhancements and rigorous testing, he delivered scalable solutions that reduced integration risk and enabled rapid deployment of season-ready robotics features.

January 2026: Key features delivered include CapstanDrive Subsystem with PID-based position and velocity control for precise robotic actuation (CapstanDrive Demo). Library and project config updates consolidated to keep PriorBots compatible with the 2026 libraries (lib2202 upgraded to the latest commit with coordinated dependency and settings changes across the repo). No major bugs were reported or fixed during the month; the focus was on delivering robust functionality and stabilizing the codebase for 2026. Business value: improves actuation precision, reliability, and maintainability; accelerates 2026 feature readiness by reducing integration risk. Technologies demonstrated: real-time control systems (PID), robotics subsystem architecture, dependency and build configuration management, and multi-repo version control.
January 2026: Key features delivered include CapstanDrive Subsystem with PID-based position and velocity control for precise robotic actuation (CapstanDrive Demo). Library and project config updates consolidated to keep PriorBots compatible with the 2026 libraries (lib2202 upgraded to the latest commit with coordinated dependency and settings changes across the repo). No major bugs were reported or fixed during the month; the focus was on delivering robust functionality and stabilizing the codebase for 2026. Business value: improves actuation precision, reliability, and maintainability; accelerates 2026 feature readiness by reducing integration risk. Technologies demonstrated: real-time control systems (PID), robotics subsystem architecture, dependency and build configuration management, and multi-repo version control.
For 2025-12, delivered Cycloidal Drive Servo Control Enhancements and Monitoring for PriorBots. Implemented PID-based position control for the cycloidal drive, improved operator bindings, and a robust watcher for servo performance; exposed servo position as a float to support testing. Progressed tuning and validation across multiple commits, enabling more precise, safer, and testable motion control. No major bugs reported; minor stability and testing infrastructure improvements were completed to support ongoing development.
For 2025-12, delivered Cycloidal Drive Servo Control Enhancements and Monitoring for PriorBots. Implemented PID-based position control for the cycloidal drive, improved operator bindings, and a robust watcher for servo performance; exposed servo position as a float to support testing. Progressed tuning and validation across multiple commits, enabling more precise, safer, and testable motion control. No major bugs reported; minor stability and testing infrastructure improvements were completed to support ongoing development.
November 2025 monthly summary for the 2202Programming team. Delivered core autonomous capabilities, library compatibility for the 2025 season, enhanced drive control, and deployment hygiene across PriorBots and FRC2025. While no critical bugs were reported, the work focused on stability, performance, and readiness for competition, with traceable changes to support faster iteration and reliable builds.
November 2025 monthly summary for the 2202Programming team. Delivered core autonomous capabilities, library compatibility for the 2025 season, enhanced drive control, and deployment hygiene across PriorBots and FRC2025. While no critical bugs were reported, the work focused on stability, performance, and readiness for competition, with traceable changes to support faster iteration and reliable builds.
October 2025 highlights: direct business value delivered through driver-focused controls, a robust lib2202 migration, autonomous groundwork, and a modular Timbot architecture, with improvements in maintainability, documentation, and build tooling.
October 2025 highlights: direct business value delivered through driver-focused controls, a robust lib2202 migration, autonomous groundwork, and a modular Timbot architecture, with improvements in maintainability, documentation, and build tooling.
September 2025 monthly summary for 2202Programming/FRC2025 focusing on feature refinements and groundwork for vision testing. Key improvements include DPLPathTest binding enhancements and improved HID_Subsystem/operator controls, plus early vision testing groundwork to clear odometry and drivetrain history while preserving the last estimated pose. These changes enhance testing reliability and establish a foundation for autonomous capabilities. No explicit bug fixes were closed this month; ongoing work targets completion of vision test integration and refinement of control bindings.
September 2025 monthly summary for 2202Programming/FRC2025 focusing on feature refinements and groundwork for vision testing. Key improvements include DPLPathTest binding enhancements and improved HID_Subsystem/operator controls, plus early vision testing groundwork to clear odometry and drivetrain history while preserving the last estimated pose. These changes enhance testing reliability and establish a foundation for autonomous capabilities. No explicit bug fixes were closed this month; ongoing work targets completion of vision test integration and refinement of control bindings.
June 2025 monthly summary for 2202Programming/FRC2025 focused on strengthening the climber subsystem with robust monitoring, safer control, and testability. Key outcomes include added diagnostics and stability improvements, plus an automated testing pathway to validate performance under duty-cycle control. This work improves reliability during climb operations, accelerates debugging, and enhances data-driven tuning. Key achievements (top 4): - Climber Diagnostics, Stability, and Testing Enhancements: monitoring, integrator windup handling on command end, improved visibility via SmartDashboard keys and network table entries for integrator accumulation and motor temperature. - New ClimberDutyCycleTest command to test the climber using a duty cycle, with normal servo updates disabled during testing to ensure accurate results. - iAccum state management: ensured accumulation counter is cleared on command end to prevent residue values and stabilize subsequent commands. - Improved observability and debugging: richer runtime visibility with SmartDashboard and network tables to support faster diagnosis and tuning. Impact and business value: These changes provide safer, more predictable climber behavior, reduce debugging time, and enable data-driven tuning for performance-critical sequences in the FRC2025 project. Technologies/skills demonstrated include real-time monitoring, control-system safety techniques (windup handling), hardware visibility (motor temperature), network tables/SmartDashboard integration, and test-driven development for subsystem reliability.
June 2025 monthly summary for 2202Programming/FRC2025 focused on strengthening the climber subsystem with robust monitoring, safer control, and testability. Key outcomes include added diagnostics and stability improvements, plus an automated testing pathway to validate performance under duty-cycle control. This work improves reliability during climb operations, accelerates debugging, and enhances data-driven tuning. Key achievements (top 4): - Climber Diagnostics, Stability, and Testing Enhancements: monitoring, integrator windup handling on command end, improved visibility via SmartDashboard keys and network table entries for integrator accumulation and motor temperature. - New ClimberDutyCycleTest command to test the climber using a duty cycle, with normal servo updates disabled during testing to ensure accurate results. - iAccum state management: ensured accumulation counter is cleared on command end to prevent residue values and stabilize subsequent commands. - Improved observability and debugging: richer runtime visibility with SmartDashboard and network tables to support faster diagnosis and tuning. Impact and business value: These changes provide safer, more predictable climber behavior, reduce debugging time, and enable data-driven tuning for performance-critical sequences in the FRC2025 project. Technologies/skills demonstrated include real-time monitoring, control-system safety techniques (windup handling), hardware visibility (motor temperature), network tables/SmartDashboard integration, and test-driven development for subsystem reliability.
May 2025 monthly summary for 2202Programming/FRC2025: Delivered climber control enhancements enabling finer, more reliable operation. Implemented velocity-based movement and position control, plus an initialization zeroing routine and updated measurement conversion factors. These changes improve precision, calibration safety, and set the stage for easier tuning in post-season runs. The work is supported by a single commit: e3ff4d095253b20f1c9e46c06225d291639cd61f.
May 2025 monthly summary for 2202Programming/FRC2025: Delivered climber control enhancements enabling finer, more reliable operation. Implemented velocity-based movement and position control, plus an initialization zeroing routine and updated measurement conversion factors. These changes improve precision, calibration safety, and set the stage for easier tuning in post-season runs. The work is supported by a single commit: e3ff4d095253b20f1c9e46c06225d291639cd61f.
April 2025 monthly summary for 2202Programming/FRC2025: Focused on advancing autonomous capabilities, stabilizing gyro data handling, and improving code maintainability. The work delivered improvements in autonomous reliability, better sensor data handling, and clearer maintainability signals, enabling faster iteration and more predictable competition behavior.
April 2025 monthly summary for 2202Programming/FRC2025: Focused on advancing autonomous capabilities, stabilizing gyro data handling, and improving code maintainability. The work delivered improvements in autonomous reliability, better sensor data handling, and clearer maintainability signals, enabling faster iteration and more predictable competition behavior.
March 2025 monthly performance summary for 2202Programming/FRC2025: Focused on advancing autonomous reef operations, safety, and testability. Delivered key reef drive-to enhancements, end effector stall current limiting, Limelight front integration with driver-only bindings, UXTrim integration, and simulation/testing readiness with VisionPoseOdometry integration. Also advanced library alignment and code health improvements to reduce build noise and improve maintainability. Impact: higher autonomy reliability, safer actuation, faster validation cycles, enabling smoother deployment of autonomous reef operations.
March 2025 monthly performance summary for 2202Programming/FRC2025: Focused on advancing autonomous reef operations, safety, and testability. Delivered key reef drive-to enhancements, end effector stall current limiting, Limelight front integration with driver-only bindings, UXTrim integration, and simulation/testing readiness with VisionPoseOdometry integration. Also advanced library alignment and code health improvements to reduce build noise and improve maintainability. Impact: higher autonomy reliability, safer actuation, faster validation cycles, enabling smoother deployment of autonomous reef operations.
February 2025 focused on integrating a robust modular platform (lib2202) and stabilizing build, test, and deployment workflows across 2202Programming/FRC2025, while delivering key control and validation features. The month also extended reliability and visibility in PriorBots APIs.
February 2025 focused on integrating a robust modular platform (lib2202) and stabilizing build, test, and deployment workflows across 2202Programming/FRC2025, while delivering key control and validation features. The month also extended reliability and visibility in PriorBots APIs.
January 2025 monthly performance summary for 2202Programming projects (PriorBots and FRC2025). Focused on delivering robust vision/localization, safer autonomous operation, build system modernization, and scalable hardware support. Highlights include a shift toward modular, maintainable code with stronger testing in simulation, improved robotics control, and better alignment with 2025 platform specifications. The work positions the team to iterate quickly, reduce runtime errors in competition, and deliver reliable automation features with clear, auditable changes.
January 2025 monthly performance summary for 2202Programming projects (PriorBots and FRC2025). Focused on delivering robust vision/localization, safer autonomous operation, build system modernization, and scalable hardware support. Highlights include a shift toward modular, maintainable code with stronger testing in simulation, improved robotics control, and better alignment with 2025 platform specifications. The work positions the team to iterate quickly, reduce runtime errors in competition, and deliver reliable automation features with clear, auditable changes.
December 2024 monthly summary focusing on core work for 2202Programming/PriorBots. Delivered key Swerve Drivetrain improvements, reliability enhancements, and code hygiene initiatives that improve safety, testability, and maintainability. The work delivers measurable business value by stabilizing driving behavior, enabling robust testing lifecycles, and reducing technical debt in the drivetrain subsystem.
December 2024 monthly summary focusing on core work for 2202Programming/PriorBots. Delivered key Swerve Drivetrain improvements, reliability enhancements, and code hygiene initiatives that improve safety, testability, and maintainability. The work delivers measurable business value by stabilizing driving behavior, enabling robust testing lifecycles, and reducing technical debt in the drivetrain subsystem.
November 2024 monthly summary for 2202Programming/PriorBots: Delivered key features, fixed critical bugs, and enhanced subsystem architecture to improve reliability and developer productivity. Key outcomes include API-consistent command framework and SwerveDrive improvements, a robust calibration flow with absolute encoder support, and a new Sensors subsystem featuring Pigeon2 IMU and haptic feedback. These efforts reduce onboarding time, minimize runtime errors, and establish a foundation for scalable motion control.
November 2024 monthly summary for 2202Programming/PriorBots: Delivered key features, fixed critical bugs, and enhanced subsystem architecture to improve reliability and developer productivity. Key outcomes include API-consistent command framework and SwerveDrive improvements, a robust calibration flow with absolute encoder support, and a new Sensors subsystem featuring Pigeon2 IMU and haptic feedback. These efforts reduce onboarding time, minimize runtime errors, and establish a foundation for scalable motion control.
October 2024 monthly summary for 2202Programming/PriorBots: Delivered a position-based CANcoder calibration enhancement for the Swerve Drivetrain, replacing absolute position usage to improve calibration accuracy and debugging capabilities. The change was introduced alongside updated documentation and commit traceability. This work strengthens reliability for automated control and accelerates debugging workflows.
October 2024 monthly summary for 2202Programming/PriorBots: Delivered a position-based CANcoder calibration enhancement for the Swerve Drivetrain, replacing absolute position usage to improve calibration accuracy and debugging capabilities. The change was introduced alongside updated documentation and commit traceability. This work strengthens reliability for automated control and accelerates debugging workflows.
September 2024 performance for 2202Programming/PriorBots focused on establishing architecture for future flywheel functionality and accelerating robot capability through legacy code import. Key features delivered include Flywheel Subsystem scaffolding with an initial command-based structure and the import/integration of legacy driving and shooting code to enhance overall robot behavior. No explicit bug fixes were recorded this month; work centered on scaffolding and integration to reduce risk and enable rapid future iterations. Impact: modular, testable framework for flywheel features; reuse of proven legacy logic; improved maintainability and onboarding for new team members. Technologies/skills demonstrated: command-based robotics pattern, modular class scaffolding, cross-repo code import, and git-based version control.
September 2024 performance for 2202Programming/PriorBots focused on establishing architecture for future flywheel functionality and accelerating robot capability through legacy code import. Key features delivered include Flywheel Subsystem scaffolding with an initial command-based structure and the import/integration of legacy driving and shooting code to enhance overall robot behavior. No explicit bug fixes were recorded this month; work centered on scaffolding and integration to reduce risk and enable rapid future iterations. Impact: modular, testable framework for flywheel features; reuse of proven legacy logic; improved maintainability and onboarding for new team members. Technologies/skills demonstrated: command-based robotics pattern, modular class scaffolding, cross-repo code import, and git-based version control.
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