PC Based Oscilloscope By Using PIC 16F877A (Hardware)

Raseeda, Hamzah (2007) PC Based Oscilloscope By Using PIC 16F877A (Hardware). Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The purpose of this report is to represents the project of PC based Oscilloscope (by using PIC) including all its methodology in detail. Generally it should display the analog value that is sampled by the PIC to computer through serial port. The critical process is to send the character through the serial port because it involves not only with the hardware but also the software. For the software part the C language is used with the MicroC compiler. C language is used as it is easy to be understood rather than assembly language. For the simulation, Proteus Professional is used. The scopes of this project are to design and construct the hardware (electronic component) required for data acquisition, including analogue circuit design for insuring input voltage falls between 0 and 5V (ADC min and max range), to design a transport medium for relaying data to the PC by using (RS232), to design and construct the hardware required MAX232, to interface the PIC microcontroller with the chosen medium and also to design a communication protocol for relaying data from the PIC to the PC in real-time and design PIC embedded software for reading the ADC at a certain sample rate and transferring the data to the PC in real-time.

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