Rodrigo Fernández-LoyolaJ.F. Pérez‐RoblesJesús Delgado-MacielArlet A. Osorio-NúñezArely B. Hernández-Maldonado2026-03-222026-03-22202410.1007/978-3-031-54485-9_14https://doi.org/10.1007/978-3-031-54485-9_14https://andeanlibrary.org/handle/123456789/83219enBiogasCarbon dioxideProcess (computing)Process engineeringBusinessWaste managementEnvironmental scienceManaging the Design Process of a Low-Cost Mini Device for Measuring Hydrogen and Carbon Dioxide from Biogas Through Pahl & Beitz Methodologybook-chapter