Alamsyah RC, Chaniago MB. Design of Cloud Computing Based Gas Detection Systems using NodeMCU ESP8266 Microcontroller. IJID [Internet]. 2020 Oct. 31 [cited 2025 Jan. 22];8(2):69-73. Available from: https://ejournal.uin-suka.ac.id/saintek/ijid/article/view/08204