The advancement of technology drives various innovations in educational products as support tools for learning activities such as physics. For instance, Arduino, an open-source developmental platform for instructional technology has rapidly applied to all kinds of educational levels. This research aims to design Arduino-based experimental tools for inertia topics and to evaluate the implementation of students. Moreover, we use a one-group pretest-posttest design as a research method. For collecting data, we use objective tests and questionnaires as an instrument. The effectiveness of Arduino-based experimental tools was assessed through posttest dan pretest data by using inferential statistics—Wilcoxon and n-gain. The apparent results show that the implementation of Arduino-based design towards students enhances their understanding of inertia topic with 0,00 and 0,75 for Wilcoxon and n-gain, respectively.