Wireless Bluetooth Digital Oscilloscope

Amril Az, Mat Yasir (2006) Wireless Bluetooth Digital Oscilloscope. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this project is to design and build a system that mimic an oscilloscope which displays a wavefom1 at a personal computer from a triggeri ng device without using any wires. Currently, most existing oscilloscopes are created in wired, thus creating a limited usage when triggering at a place that is diffic ult to trigger. Also, most existing osci lloscopes are expensive and some of them have limited functionality. So, the objective of this project is to make a monitoring measurement tool wirelessly in which Bluetooth is chosen as a medium. The oscilloscope is self powered device that transmit data to a personal computer and the result will show up instantly to the monitor by using Bluetooth thus eliminates wires. An analogue s ignal is triggered and processed through an Analogue to Digital converter c ircuit in which a PlC 16F877 is used, and then the data will be transported to a personal computer by using Bluetooth. A user frie ndly program called Bluetooth Oscilloscope will process the data and shows the data in wave form. This Bluetooth Oscilloscope program will be created by using Microsoft Visual Basic. In this program also do have some features such as saving the data waveform and printing the data waveforms. This project is capable to let user to trigger any analogue signals and monitor the output at the personal computer at any points or area without worrying the distance because the Bluetooth is capable to operate between I 0 meters to I 00 meters. This project can be commerc iali zed because it is cheap to built, easy to use, portable and also the program is easy to use.

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