Bareta, Bintara, Harijanto, Alex, AND Maryani, Maryani. " RANCANG BANGUN ALAT UKUR SISTEM MONITORING pH, TEMPERATUR, DAN KELEMBAPAN AKUARIUM IKAN HIAS BERBASIS ARDUINO UNO" JURNAL PEMBELAJARAN FISIKA [Online], Volume 10 Number 1 (31 March 2021)