How to make a Countdown on 16x2 LCD - Programming Questions

How to make a Countdown on 16x2 LCD - Programming Questions

I want to make it so once i upload the sketch the countdown starts for 5 min and when the time is up a buzzer goes off. im using a 16x2 LCD and a Ardruino UNO R3 Board The image is how i have my LCD set up and i dont know where to put the buzzer or how to connect it

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