SINGHATA, N. 2021. The 2D Barcodes Identify the Workpieces by using Microcontroller Interface between Image Processing and PLC Machine. Walailak Journal of Science and Technology (WJST). 18, 18 (Aug. 2021), Article 9539 (13 pages). DOI:https://doi.org/10.48048/wjst.2021.9539.