Automatic measurement for RC circuit / Rosmiah Ismail

At present, engineering student analysis the RC circuit response manually. The output voltage of the circuit is observed from the CRO and the graph of the RC charging and discharging is manually plotted on the graph paper. It would be the great help, if the RC circuit response can be obtained automatically. This project leads to design software for test and measurement that will help to upgrading the present manual laboratory. With a software embedded on the personal computer, the RC charging and discharging graph can be plotted automatically displayed on the screen in real time. The software is designed for a specific value of resistor and capacitor. Output voltage of the RC circuit charging and discharging is read using Thurlby Thandar Multimeter, which is then pass the value to the personal computer. This value will be display on the screen of the personal computer in dos environment. Then by using Microsoft Visual Basic, the fixed graph will be created according to the output voltage and time constant that was stored in the file.