Hello people, i started working with a RTC BQ3287 and connected it like in the project from IBM RTC on Arduino after starting it up by sending 'i' via the Serial console and it starts counting seconds and works perfect. According to the manual, the 3287 series contains already a backup battery. i…

Interfacing RTC BQ3287

Using Arduino Networking, Protocols, and Devices

system February 21, 2011, 6:04pm 4

Do you have a link to the RTC that you have? If it has a battery backup, the battery should be replaceable. What do the makers expect you to do when the battery goes dead?

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Interfacing RTC BQ3287

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