m5-stack

This skill should be used when the user asks to "build for M5Stack", "flash M5Stack", "M5StickS3 project", "create M5Stack firmware", "PlatformIO ESP32 M5", "upload to M5Stack", "M5Unified", "ESP32-S3 boot mode", "M5Stack IMU", "M5Stack display", or mentions M5Stack, M5StickS3, M5StickC, M5Core, or ESP32-S3 embedded development with PlatformIO. Provides hardware specs, PlatformIO configuration, upload workflow, and M5Unified library patterns.