Low Cost Baby Incubator With Temperature; Humidity Controlling And Beat-To-Beat Fetal Heart Rate Analysis Using Gsm Technology And Esp 32 Board. African Journal of Biomedical Research, [S. l.], v. 28, n. 3S, p. 704–724, 2025. DOI: 10.53555/AJBR.v28i3S.7778. Disponível em: https://africanjournalofbiomedicalresearch.com/index.php/AJBR/article/view/7778.. Acesso em: 29 oct. 2025.