Prasetyo, A., Jamaaluddin, J. and Anshory, I. (2023) “PCB (Printed Circuit Board) Etching Machine Using ESP32-Camera Based Internet of Things”, Buletin Ilmiah Sarjana Teknik Elektro, 5(2), pp. 260–268. doi: 10.12928/biste.v5i2.8132.