{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,22]],"date-time":"2025-12-22T14:38:22Z","timestamp":1766414302769,"version":"3.48.0"},"reference-count":27,"publisher":"IntechOpen","license":[{"start":{"date-parts":[[2025,11,28]],"date-time":"2025-11-28T00:00:00Z","timestamp":1764288000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/legalcode"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"abstract":"<jats:p>Abstract This chapter presents GreenUpPCB as a regional Industry 4.0 hub for electronics repair and retrofitting, based in Castelo Branco, Portugal. The initiative combines artificial intelligence, machine vision, 3D printing, and automation to extend the life cycle of obsolete printed circuit boards, particularly in renewable energy systems and railway rolling stock. By promoting circular economy practices and reducing electronic waste, GreenUpPCB supports sustainable and resilient industrial operations. The hub also strengthens regional development by linking academic research with industrial needs, offering training, innovation, and high-tech services to local small- and medium-sized enterprises. Its model enables smart manufacturing adoption in low-density territories without dependence on urban clusters. Aligned with the European Chips Act and national strategies for microelectronics, GreenUpPCB demonstrates how regional hubs can contribute to the green and digital transitions across multiple sectors, including energy and transport.<\/jats:p>","DOI":"10.5772\/intechopen.1013104","type":"book-chapter","created":{"date-parts":[[2025,12,2]],"date-time":"2025-12-02T14:23:32Z","timestamp":1764685412000},"source":"Crossref","is-referenced-by-count":0,"title":["Establishing a Regional Industry 4.0 Electronics Hub: The GreenUpPCB Model"],"prefix":"10.5772","author":[{"given":"Rog\u00e9rio","family":"Dion\u00edsio","sequence":"first","affiliation":[]},{"given":"Irem","family":"\u00dcnal","sequence":"additional","affiliation":[]}],"member":"3774","published-online":{"date-parts":[[2025,11,28]]},"reference":[{"key":"ref=1","unstructured":"APREN. Boletim de Eletricidade Renov\u00e1vel \u2013 Junho 2025 [Internet]. Lisboa: Associa\u00e7\u00e3o Portuguesa de Energias Renov\u00e1veis (APREN); 2025. 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