Three Indonesian traditional musical instruments consisted of angklung, bonang, and suling were created to be played automatically during exhibitions to promote and attract tourists to learn about Indonesia during the COVID-19 pandemic. The systems were driven by the use of motors controlled by minicomputers and microcontrollers that could be accessed using smartphones based on Android operating systems. The results showed that the error rate measured between theoretical frequency and frequency produced by the instruments is 0.03% ~ 3.34%, which is considered negligible to human hearing. The average response time of the whole instrument is less than 1 second so the harmony of the song played is considered good. Moreover, the selected songs chosen to be played are 100% accurate. It is also stated that 81% of the respondents are willing to learn and enjoy more about Indonesia after seeing the system.

Some achievements:

• 2021 a copyrights (000276315)
• 2022 submitted for simple patent (S00202109407).
• 2022 published in International Journal of Art and Technology, vol. 14, no. 2, 2022.