The course introduces students to the essential basics of technical and professional documentation and how to use them in the creation of professional text messages. The creation of professional text messages includes component and assembly drawings, electrical schematics, documentation and documentation for the manufacture of printed circuit boards, including the text section. In practice, graduates will become familiar with drawing technical drawings, electrical schematics and other objects. Explanation of the creation of technical documentation is presented in accordance with the standardization of documents (ISO, EN, IEC, CSN). The meaning and creation of technical documentation is shown and practically practiced on comprehensive text documents that contain technical and electrical diagrams, flowcharts, schematics, graphs, tables, notes and their drafting into units, including the insertion of references to literature and bookmarks in the text. It also explains the creation of literature references and their use according to current standards. Students are also introduced to circuit board design along with the basics of 3D modelling. The course also introduces students to software documentation and versioning using Git.