...It contains more than 300 libraries that expose sensors, displays, motors, communications, controllers, and other embedded capabilities as programmable Blockly components. Each library defines its visual blocks, Arduino code generator, toolbox configuration, package metadata, and documentation. Source libraries can be bundled alongside the visual integration so projects receive the underlying hardware dependencies they need. Internationalization files provide support for eleven languages. Optional AI-oriented documentation helps language models understand how individual libraries should be used. ...