Use stable release core package_k210_index.json, or Develop core package_k210_dev_index.json
You can read arduino-k210 online documentation on canaan-creative.com or github-pages
If you want to adapt your board, refer to here variants/README.md
Use stable release core package_k210_index.json, or Develop core package_k210_dev_index.json
You can read arduino-k210 online documentation on canaan-creative.com or github-pages
If you want to adapt your board, refer to here variants/README.md