08-16-2017, 10:56 PM
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Simple digital stopwatch using at89s51 Microcontroller
Here's a simple digital stopwatch with AT89S51 microcontroller. Two common cathode type 7segment displays are used to display the time.
Operation:
The display will show 00 at the startup
Press the switch SP1 to get the watch to run
Press the switch again to stop the watch
To start the watch press the same switch again