Stopwatch programming

Hello everyone I’m new however, I had an idea that implements a count up stop watch. Basically, i will have 2 prongs and when there is a liquid between them it will complete the circuit and start the stopwatch while the connection stays. Once the liquid is not between them the connection would be lost therefore stopping the stopwatch. Then I would just need a separate button to reset the timer. I don’t know exactly how to code for this, which arduino to get and how to connect the pins. If any of you can help it be appreciated!

You can use your favorite search engine and the phrase "arduino stopwatch" to find tutorials and examples.

"arduino water sensor" will find other interesting tidbits.

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