Electronics Components Tester (AT89C52)

This Project Components tester can be used to check the electronic components such us Diode, Transistor,Capacitor, IC555, IC741 and Continuity. The whole circuit was controlled by the Microcontroller AT89C52.The circuit has an LCD display it was used to display the Text messages over it. The system will display theconditions of the device on the LCD display.The Microcontroller used in this project was an 8 bit microcontroller AT89C52 it has a program memory of 8Kilobytes. For checking the IC555 an external circuit was configured as astable multivibrator and forchecking IC741 an external circuit was connected as a comparator. The microcontroller will check the outputand display it over the LCD.

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Circuit Diagram:

Downloads:

Download the Source code from here:

Download the PCB from here:

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Electronics Components Tester (AT89C52) http://www.8051projects.info/proj.asp?ID=65

1 of 2 9/20/2013 12:11 PM

Electronics Components Tester (AT89C52) http://www.8051projects.info/proj.asp?ID=65

2 of 2 9/20/2013 12:11 PM