This thesis discusses the development of the result of the motion detection of a person using the system sending the image signal and the character derived from the camera (Pi camera) to send a notification of personal space invasion via Using raspberry pi Zero w is a data management system that is received from the Motion Sensor in conjunction with the Raspberry camera and has stored JPEG images received from the camera to process the data sent into the Line Server for Users can send images via Line Application party monitoring intrusion into personal space

The purposes of this research were 1) to study the effect of short message service via mobile telephone on Sufficient Economy Philosophy of undergraduate students at Rajamangala University of Technology Thanyaburi 2) to study the students’ opinions to short message service via mobile telephone on Sufficient Economy Philosophy of undergraduate student at Rajamangala University of Technology Thanyaburi. The experiment group was 30 undergraduate students at Rajamangala University of Technology Thanyaburi in Educational Technology academic year 2007. The data were analyzed by percentage mean standard deviation and t-test. The research findings were as follows: 1) It was found that the post-test score learning was statistically higher than pre-test scores at level .01. 2) It was found that the students’ opinions to short message service via mobile telephone were in a good level.