Kitmonkonchai Promboriraksa Department of Electronic Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok Thailand
Kampon Jawchumchuen Department of Electronic Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok Thailand
Kritsada Mamat Department of Electronic Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok Thailand
