Hello Nicolai,

Thanks for your reply it was really helpful.

I did the factory reset and now it is working. But now i would like to implement the RTC in a custom Buster image (and not the Revpi Buster).

Is it possible to copy the device tree file for the rtc and use it in another image ? Because ...

Hello,

I downloaded the image RevPi Buster Lite (08/2022) (ID: 6226) and installed it on my Revpi. But It is impossible to detect the RTC with i2c-tools:
pi@Revpi:~ $ sudo i2cdetect -y 1
0 1 2 3 4 5 6 7 8 9 a b c d e f
00: -- -- -- -- -- -- -- -- -- -- -- -- --
10 ...