Arduino Code Generator Generate production-quality Arduino code snippets for sensors, actuators, communication, and embedded patterns. Quick Start Browse example sketches:

See 9 production-ready examples in examples/ folder

ls examples/

config-example.ino, filtering-example.ino, buttons-example.ino,

i2c-example.ino, csv-example.ino, scheduler-example.ino,

state-machine-example.ino, hardware-detection-example.ino,

data-logging-example.ino

List available patterns: uv run --no-project scripts/generate_snippet.py --list Generate code for specific pattern and board: uv run --no-project scripts/generate_snippet.py --pattern i2c --board esp32 uv run --no-project scripts/generate_snippet.py --pattern buttons --board uno --output button.ino Interactive mode: uv run --no-project scripts/generate_snippet.py --interactive Resources examples/ - 9 production-ready example sketches (one per pattern category) examples/README.md - Detailed documentation for each example with wiring diagrams scripts/generate_snippet.py - CLI tool for code generation with 9 pattern templates scripts/verify_patterns.ps1 - Compile examples for UNO/ESP32/RP2040 (PowerShell) scripts/verify_patterns.sh - Compile examples for UNO/ESP32/RP2040 (bash) assets/workflow.mmd - Mermaid diagram of code generation workflow Supported Patterns Hardware Abstraction Multi-board config.h with conditional compilation Pin definitions for UNO/ESP32/RP2040 Memory budget tracking See patterns-config.md | Example: config-example.ino Sensor Reading & Filtering ADC noise reduction (moving average, median, Kalman) DHT22, BME280, analog sensors Data validation and calibration See patterns-filtering.md | Example: filtering-example.ino Input Handling Software button debouncing Edge detection (PRESSED/RELEASED/LONG_PRESS) Multi-button management See patterns-buttons.md | Example: buttons-example.ino Communication I2C device scanning and diagnostics SPI configuration UART/Serial protocols CSV data output See patterns-i2c.md and patterns-csv.md | Examples: i2c-example.ino , csv-example.ino Timing & Concurrency Non-blocking millis() patterns Task scheduling without delay() Priority-based schedulers State machines See patterns-scheduler.md and patterns-state-machine.md | Examples: scheduler-example.ino , state-machine-example.ino Hardware Detection Auto-detect boards (UNO/ESP32/RP2040) SRAM usage monitoring Sensor fallback strategies Adaptive configuration See patterns-hardware-detection.md | Example: hardware-detection-example.ino Data Persistence EEPROM with CRC validation SD card FAT32 logging Wear leveling for EEPROM Buffered writes See patterns-data-logging.md | Example: data-logging-example.ino Code Generation Workflow Identify Pattern Type - Analyze user request to determine core pattern category Read Reference Documentation - Consult pattern-specific reference files for implementation details Generate Code - Create production-ready code following quality standards Provide Instructions - Include wiring diagrams and usage guidance Mention Integration - Suggest combinations with other patterns when relevant Quality Standards & Rules Quality Standards - Compilation, timing, memory safety, and error handling requirements Board Optimization - UNO, ESP32, and RP2040 specific optimizations and features Common Pitfalls - Critical mistakes to avoid in Arduino development Code Output Template Code Template - Standardized structure for generated Arduino sketches Resources examples/ - 9 production-ready example sketches (one per pattern category) examples/README.md - Detailed documentation for each example with wiring diagrams scripts/generate_snippet.py - CLI tool for code generation with 9 pattern templates assets/workflow.mmd - Mermaid diagram of code generation workflow workflow/ - Step-by-step code generation process rules/ - Quality standards and board-specific optimizations templates/ - Code output templates and structure guidelines references/ - Detailed pattern documentation and API references references/README.md - Reference structure and formatting guide