Lesson 99-2: Using an Alarm with Buzzer and LED with a DS3231 RTC and Arduino

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Lesson 99-2: Using an Alarm with Buzzer and LED with a DS3231 RTC and Arduino

This code is part of lesson 99 on building a clock using Arduino and a DS3231 RTC clock module. We are using it to turn on a buzzer and an LED, but you can use it with a relay to turn ON/OFF AC loads like a bulb, alarm, or DC loads. See the video for full details.
416-Lesson 99: Real-Time Clock DS3231 to build an LCD and LED Clock
Sprache: C++
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5 V buzzer5mm LEDDS3231 RTC

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