Choopan Rattanapoka
<li>Department of Electronics Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok</li> Thailand
Panupong Jannet
<li>Department of Electronics Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok</li> Thailand
Teeratorn Moonpanyo
<li>Department of Electronics Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North Bangkok</li> Thailand