Digital Stopwatch

SEMINAR ON DIGITAL STOPWATCH : Stopwatches find in many areas as time keeping devices . Stopwatches(2 types) can be analogue or digital. Digital stopwatches are much more common to the analog version, because of their accuracy and ease of use. Here we tried to figure out the digital stopwatch of reasonable accuracy and reliable.This special stopwatch can count up to 9 minutes and 59.9 seconds. It counts up to a tenth of a second. The circuit is relatively simple and easy to understand. The heart of the circuit is a stable MV followed by stages of counter and decoder. The circuit, we have explained in detail in the following circuit works pages.The circuit performs on 5V DC power supply. It uses a seven-segment LED display common anode type to display time.