This study aims to design an Arduino-based learning media simulating the Dialyzer Reprocessing System as an educational tool for Electromedical Engineering students. The media is developed to simulate the reprocessing steps of a dialyzer, including cleaning, rinsing, and sterilization, which are typically performed in hemodialysis procedures. The system is built using an Arduino Mega 2560 microcontroller, a DS18B20 temperature sensor, three water pumps, a 20x4 LCD module, and three push buttons as user input controls.The testing methods used in this study include functional testing (black box), material expert validation, and media expert validation. The results of the functional test show that all components operate properly as designed. The temperature sensor accurately reads the liquid temperature in real time and displays the result on the LCD. Product validation was carried out by three material experts and three media experts. The validation results showed a feasibility score of 100.00% from material experts and 90.00% from media experts, both categorized as "Highly Feasible" based on Arikunto's (2009) criteria.In conclusion, the Arduino- based Dialyzer Reprocessing System learning media is highly effective and feasible for use as a practical educational tool in Electromedical Engineering learning and vocational training environments.
nefati et al. (Mon,) studied this question.