The aim of this research is to display Thai alphabets on a matrix display by using short message services. The principle of the operation is that the mobile is connected to microcontroller and GSM AT Command is then used to communicate to the received mobile phone using microcontroller in order to read short massages from the destined mobile. After that, the message is decoded to show on the matrix display. The experimental results show that both Thai and English short messages can be correctly displayed on the matrix board.
