page_title: Open Roberta
section_title: NEPO input / output connector
hierarchical_section_title: Open Roberta / Programming language NEPO® / NEPO input / output connector
caption_attribution_description: English: Each NEPO block has a typ. The typ of a block is represented by the coloured output/input connector. In this picture the sensor blocks have different output connectors, representing different typs.
context_page_description: Open Roberta is the name of a project within the German education initiative "Roberta—Learning with robots", initiated by Fraunhofer IAIS, which is an institute belonging to the Fraunhofer Society. With Open Roberta Fraunhofer IAIS is looking to encourage children to code by using robots such as Lego Mindstorms, and other programmable hardware systems such as Arduino, BBC micro:bit, and the Calliope mini. The Cloud-approach of the Open Roberta Lab is intended to simplify programming concepts and make it easier for teachers and schools to teach how to code. Open Roberta is free and does not require any installation. The project was initially founded with €1Mio by Google.org.
context_section_description: Depending on the block different values can be passed to a block. The type of the value can be identified by the colored compounds (called including »connectors«) of a block. In the chapter »block category« you can see the different values a block may have. Only if the colors of the input and the output connector match, these blocks can be connected.
  A block may optionally also pass a value to another block. These blocks have colored output connectors. Only if the colors of the input and the output connector are the same, these blocks can be connected.
  In total there are six input and output types within NEPO. These types can have the following values:
  Logical value (light blue)
  Number (dark Blue)
  String / Text (green)
  Colour (yellow)
  List (purple)
  Connection (pink)
caption: NEPO typ check output connectors
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