Ahmad Gaffar, Irfan, Andi Fadhilah Nugrah. DESIGN OF A MICROCONTROLLER-BASED EMERGENCY STOP ALARM BELL FOR ESCALATORS AS A LEARNING MEDIA AT THE MAKASSAR AVIATION POLYTECHNIC. jp [Internet]. 2025Oct.8 [cited 2025Oct.9];10(3):299-307. Available from: https://ejournal.poltekbangsby.ac.id/index.php/jurnalpenelitian/article/view/2047