Jufrida, Falah HS, Sehab NH. Development of An Audio Frequency Meter with Arduino and MAX4466 Sound Sensor . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Nov. 25 [cited 2024 Sep. 1];9(11):10280-6. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/6144