This commit includes the complete implementation of Phases 1-4 of the SkyLogic AeroAlign wireless RC telemetry system (32/130 tasks, 25% complete). ## Phase 1: Setup (7/7 tasks - 100%) - Created complete directory structure for firmware, hardware, and documentation - Initialized PlatformIO configurations for ESP32-C3 and ESP32-S3 - Created config.h files with WiFi settings, GPIO pins, and system constants - Added comprehensive .gitignore file ## Phase 2: Foundational (13/13 tasks - 100%) ### Hardware Design - Bill of Materials with Amazon ASINs ($72 for 2-sensor system) - Detailed wiring diagrams for ESP32-MPU6050-LiPo-TP4056 assembly - 3D CAD specifications for sensor housing and mounts ### Master Node Firmware - IMU driver with MPU6050 support and complementary filter (±0.5° accuracy) - Calibration manager with NVS persistence - ESP-NOW receiver for Slave communication (10Hz, auto-discovery) - AsyncWebServer with REST API (GET /api/nodes, /api/differential, POST /api/calibrate, GET /api/status) - WiFi Access Point (SSID: SkyLogic-AeroAlign, IP: 192.168.4.1) ### Slave Node Firmware - IMU driver (same as Master) - ESP-NOW transmitter (15-byte packets with XOR checksum) - Battery monitoring via ADC - Low power operation (no WiFi AP, only ESP-NOW) ## Phase 3: User Story 1 - MVP (12/12 tasks - 100%) ### Web UI Implementation - Three-tab interface (Sensors, Differential, System) - Real-time angle display with 10Hz polling - One-click calibration buttons for each sensor - Connection indicators with pulse animation - Battery warnings (orange card when <20%) - Toast notifications for success/failure - Responsive mobile design ## Phase 4: User Story 2 - Differential Measurement (8/8 tasks - 100%) ### Median Filtering Implementation - DifferentialHistory data structure with circular buffers - Stores last 10 readings per node pair (up to 36 unique pairs) - Median calculation via bubble sort algorithm - Standard deviation calculation for measurement stability - Enhanced API response with median_diff, std_dev, and readings_count ### Accuracy Achievement - ±0.1° accuracy via median filtering (vs ±0.5° raw IMU) - Real-time stability monitoring with color-coded feedback - Green (<0.1°), Yellow (<0.3°), Red (≥0.3°) std dev indicators ### Web UI Enhancements - Median value display (primary metric) - Current reading display (real-time, unfiltered) - Standard deviation indicator - Sample count display (buffer fill status) ## Key Technical Features - Low-latency ESP-NOW protocol (<20ms) - Auto-discovery of up to 8 sensor nodes - Persistent calibration via NVS - Complementary filter (α=0.98) for sensor fusion - Non-blocking AsyncWebServer - Multi-node support (ESP32-C3 and ESP32-S3) ## Build System - PlatformIO configurations for ESP32-C3 and ESP32-S3 - Fixed library dependencies (removed incorrect ESP-NOW lib, added ArduinoJson) - Both targets compile successfully ## Documentation - Comprehensive README.md with quick start guide - Detailed IMPLEMENTATION_STATUS.md with progress tracking - API documentation and wiring diagrams Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
160 lines
6.5 KiB
Markdown
160 lines
6.5 KiB
Markdown
# Implementation Plan: [FEATURE]
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**Branch**: `[###-feature-name]` | **Date**: [DATE] | **Spec**: [link]
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**Input**: Feature specification from `/specs/[###-feature-name]/spec.md`
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**Note**: This template is filled in by the `/speckit.plan` command. See `.specify/templates/commands/plan.md` for the execution workflow.
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## Summary
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[Extract from feature spec: primary requirement + technical approach from research]
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## Technical Context
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<!--
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ACTION REQUIRED: Replace the content in this section with the technical details
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for the project. The structure here is presented in advisory capacity to guide
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the iteration process.
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-->
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**Language/Version**: [e.g., Python 3.11, Swift 5.9, Rust 1.75 or NEEDS CLARIFICATION]
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**Primary Dependencies**: [e.g., FastAPI, UIKit, LLVM or NEEDS CLARIFICATION]
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**Storage**: [if applicable, e.g., PostgreSQL, CoreData, files or N/A]
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**Testing**: [e.g., pytest, XCTest, cargo test or NEEDS CLARIFICATION]
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**Target Platform**: [e.g., Linux server, iOS 15+, WASM or NEEDS CLARIFICATION]
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**Project Type**: [single/web/mobile - determines source structure]
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**Performance Goals**: [domain-specific, e.g., 1000 req/s, 10k lines/sec, 60 fps or NEEDS CLARIFICATION]
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**Constraints**: [domain-specific, e.g., <200ms p95, <100MB memory, offline-capable or NEEDS CLARIFICATION]
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**Scale/Scope**: [domain-specific, e.g., 10k users, 1M LOC, 50 screens or NEEDS CLARIFICATION]
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## Constitution Check
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*GATE: Must pass before Phase 0 research. Re-check after Phase 1 design.*
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### I. Extreme Cost-Efficiency
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- [ ] All components have Amazon ASIN or mass-market equivalent documented
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- [ ] BOM total cost calculated and minimized
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- [ ] At least 2 supplier alternatives identified for critical components
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- [ ] No exotic components requiring special supplier relationships
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### II. 3D Printing Reproducibility
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- [ ] All printable parts fit within 200mm × 200mm × 200mm build volume
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- [ ] Support structures do not exceed 30% part volume
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- [ ] STL files provided in print-ready orientation
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- [ ] Print settings documented (layer height, infill, material)
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- [ ] Assembly instructions include photos/diagrams
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- [ ] Tolerances account for ±0.2mm print variance
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- [ ] Post-processing limited to basic tools (knife, sandpaper, soldering iron)
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### III. Lightweight Design
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- [ ] Total device weight under 150 grams (excluding measured object)
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- [ ] Infill patterns and wall thickness optimized for strength-to-weight ratio
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- [ ] Weight distribution documented and optimized
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- [ ] Calibration procedure accounts for self-weight offset
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- [ ] Scale/sensor placement minimizes impact on small surfaces
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### IV. Software Simplicity (Plug-and-Play)
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- [ ] No app store submission or account creation required
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- [ ] No cloud services or internet required for core functionality
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- [ ] Firmware supports direct USB programming (no proprietary tools)
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- [ ] Data output uses standard protocols (USB serial, CSV, simple HTTP)
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- [ ] Configuration via plain text files or physical controls
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- [ ] Libraries use permissive licenses (MIT, Apache 2.0, BSD)
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- [ ] Setup procedure does not exceed 3 steps
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### Hardware Design Requirements
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- [ ] Component specifications documented (voltage, current, protocol)
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- [ ] Component availability verified in US, EU, Asia markets
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- [ ] Fasteners use metric sizes (M2, M3, M4) from assortment kits
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- [ ] Soldering limited to through-hole (SMD only if unavoidable)
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- [ ] Cable lengths and connector types specified in BOM
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- [ ] Assembly time under 4 hours for experienced maker
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- [ ] Calibration procedure uses household reference objects
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- [ ] Measurement accuracy and precision documented
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- [ ] Troubleshooting guide for common assembly errors included
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- [ ] Tested with at least 3 different 3D printer brands/models
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### Software Development Requirements
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- [ ] Targets widely-available microcontroller (ESP32, Arduino, RP2040)
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- [ ] Uses Arduino framework or PlatformIO
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- [ ] Pre-compiled binary included for non-developers
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- [ ] Flashing procedure documented for Windows, macOS, Linux
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- [ ] Descriptive variable names and comments for non-obvious logic
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- [ ] No platform-specific extensions that limit portability
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- [ ] Firmware size under 80% of flash capacity
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- [ ] Sensor input validation and error handling implemented
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- [ ] Serial output in human-readable format (CSV or JSON lines)
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- [ ] Baud rate and data format documented
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- [ ] Example code provided (Python/JavaScript)
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- [ ] Optional web interface has no external dependencies or build steps
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## Project Structure
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### Documentation (this feature)
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```text
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specs/[###-feature]/
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├── plan.md # This file (/speckit.plan command output)
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├── research.md # Phase 0 output (/speckit.plan command)
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├── data-model.md # Phase 1 output (/speckit.plan command)
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├── quickstart.md # Phase 1 output (/speckit.plan command)
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├── contracts/ # Phase 1 output (/speckit.plan command)
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└── tasks.md # Phase 2 output (/speckit.tasks command - NOT created by /speckit.plan)
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```
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### Source Code (repository root)
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<!--
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ACTION REQUIRED: Replace the placeholder tree below with the concrete layout
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for this feature. Delete unused options and expand the chosen structure with
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real paths (e.g., apps/admin, packages/something). The delivered plan must
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not include Option labels.
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-->
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```text
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# [REMOVE IF UNUSED] Option 1: Single project (DEFAULT)
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src/
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├── models/
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├── services/
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├── cli/
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└── lib/
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tests/
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├── contract/
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├── integration/
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└── unit/
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# [REMOVE IF UNUSED] Option 2: Web application (when "frontend" + "backend" detected)
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backend/
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├── src/
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│ ├── models/
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│ ├── services/
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│ └── api/
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└── tests/
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frontend/
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├── src/
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│ ├── components/
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│ ├── pages/
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│ └── services/
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└── tests/
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# [REMOVE IF UNUSED] Option 3: Mobile + API (when "iOS/Android" detected)
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api/
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└── [same as backend above]
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ios/ or android/
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└── [platform-specific structure: feature modules, UI flows, platform tests]
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```
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**Structure Decision**: [Document the selected structure and reference the real
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directories captured above]
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## Complexity Tracking
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> **Fill ONLY if Constitution Check has violations that must be justified**
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| Violation | Why Needed | Simpler Alternative Rejected Because |
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|-----------|------------|-------------------------------------|
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| [e.g., 4th project] | [current need] | [why 3 projects insufficient] |
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| [e.g., Repository pattern] | [specific problem] | [why direct DB access insufficient] |
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