UNIHIKER K10 PlatformIO

Use when programming a UNIHIKER K10 board with PlatformIO CLI, creating or converting Arduino/C++ K10 projects to PlatformIO, building, uploading, monitoring serial output, diagnosing K10 PlatformIO setup, or preparing/installing offline PlatformIO support bundles for workshops where many students should not download toolchains at the same time.

by @rockets-cn (Rockets_cn)·MIT-0