Main Site Documentation

PCF8583 RTC with FEZ Domino


Does anyone have a code example of how to interface with the PCF8583 Real Time Clock?


It is I2C device. We have plenty of examples on how to use I2C.

Filterby “i2c” tag

You can also port arduino library for that chip:


I ditched that device as the battery backup isn’t too easy the DS1307 is the best clock to use and the drivers already written, I’m sure its exactly the same code anyway.

Cheers Ian



here’s the code for the 1307:


The support here is awesome and you guys are awesome. DS1307 it is!!! Thank you so much!


You’re welcome :wink: