How do I use an RTC IC with Arduino? - Arduino https://forum.etechnophiles.com/arduino/how-do-i-use-an-rtc-ic-with-arduino/ Hi, Welcome to the eTechnophiles forum. Got a question like, \'What resistor value to choose for your simple LED project\' OR \'Where is the resistor connected to the inbuilt LED in Arduino UNO\'s schematic\' - All will be answered here. Feel free to check out the topics below. en-US Sun, 12 Apr 2026 12:47:54 +0000 wpForo 60 How do I use an RTC IC with Arduino? https://forum.etechnophiles.com/arduino/how-do-i-use-an-rtc-ic-with-arduino/#post-486 Sat, 21 Jun 2025 04:52:32 +0000 I’ve come across RTC (Real-Time Clock) ICs like the DS1307 and DS3231 in various Arduino projects.
Can someone explain what an RTC IC actually does and how it's used with Arduino?
Also, what are the basic steps to connect and read time from it?

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