Firdan Rizki Maulidan, Irfan Ardiansah. RANCANG BANGUN SISTEM MONITORING KETINGGIAN DAN VOLUME AIR BERBASIS INTERNET OF THINGS (IOT) MENGGUNAKAN NODEMCU ESP8266 DAN SENSOR ULTRASONIK AJ-SR04M. JITET [Internet]. 2026Jan.18 [cited 2026Feb.8];14(1). Available from: https://journal.eng.unila.ac.id/index.php/jitet/article/view/8888