Chia, Kim Seng. “An Integration of Open-Source Resources in Distance Teaching for Real-Time Embedded System Using Arduino Microcontroller and Freertos”. International Journal of Integrated Engineering 14, no. 6 (November 29, 2022): 194–205. Accessed May 2, 2024. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/9494.