Design of 4 servo robot arm with Blynk Control. Hexatech: Jurnal Ilmiah Teknik, [S. l.], v. 5, n. 1, p. 14–23, 2026. DOI: 10.55904/hexatech.v5i1.1767. Disponível em: https://jurnal.arkainstitute.co.id/index.php/hexatech/article/view/1767. Acesso em: 17 apr. 2026.