Rangsipan MarukatatPongmanat ManaspaiboolBenjawan KhaiprapayPornpimon PlienjaiMahidol University2018-09-242018-09-242010-12-01World Academy of Science, Engineering and Technology. Vol.46, (2010), 89-92201037782010376X2-s2.0-84871418371https://repository.li.mahidol.ac.th/handle/20.500.14594/29061We developed a GPS-based navigation device for the blind, with audio guidance in Thai language. The device is composed of simple and inexpensive hardware components. Its user interface is quite simple. It determines optimal routes to various landmarks in our university campus by using heuristic search for the next waypoints. We tested the device and made note of its limitations and possible extensions.Mahidol UniversityEngineeringArticleSCOPUS