Develop A Linear Measurement Sensor System

Ang, Sei Qi (2010) Develop A Linear Measurement Sensor System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Linear measurement sensor system is a created to measure the linear distance, by using the reflective infrared system which controlled by PIC16F628A, and display result on the screen of the LCD. A combination of reflective IR sensor, 2X8 LCD and PIC controller, the reflective infrared sensor will detect black and white color in the roller, and give small differences voltage signal, then the small voltage signal will be converted by into linear measurement in mm. the output signal will be displayed in LCD 2x8. The PIC will be programmed by using PIC complier software. The 2x8 LCD display is used and this project will become small, easily to carry. The objective of this system is to investigate new measurement tools of linear distance that can avoid error occur when taking the measurement reading, this linear measurement sensor system is introduced to provide a more accurate linear measured reading.In addition, to shorten time taking of the reading after a measurement, by just looking at the 2x8 LCD display. To achieve the objectives, the Protues software is used in the schematic circuit design and simulation, and the MicroCode Studio software is used in the PicBasic programming development. The feature of this project is specified by stated the scope of the project. The PIC programming will be developed for converting the small voltage signal to linear measurement in mm. The measurement range will be around 0 – 9999mm and show on the LCD display. Furthermore, the precision of the project can also be stated in the designing of the black and white roller. This system will be extremely handy and convenience to operate at different environment condition with the special casing design to protect the circuit.

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