Remote control system as serial communications mobile using a microcontroller

摘要

Remote control technology has been developed by utilizing various transmission media. Some of them are remote control by the media using infrared, radio, internet and telephone line. Remote control system via the telephone line has an advantage in terms of distance range and practicality compared to other media. The presence of mobile phone or mobile phone that has been known and used by many people, who are able to communicate wherever they are, without being limited by space and range of cable lengths could be a solution for the needs of remote objects as described above. One of the most popular mobile phone function is to send and receive SMS. SMS is suitable for the control system of wireless real time because the speed of data delivery, efficiency and breadth of coverage, but the excess mobile phone with SMS facility of its still needs to be connected to a control device to be able to control on / off devices electric remotely.