Arduino Uno based Vein detection design using High Power LED (HPL). Journal of Industrial Automation and Electrical Engineering, [S. l.], v. 2, n. 2, p. 182–187, 2025. DOI: 10.24036/jiaee.v2.i2.pp182-187. Disponível em: https://jiaee.ppj.unp.ac.id/index.php/jiaee/article/view/121. Acesso em: 13 nov. 2025.