I'm convinced that the PCA9306 and the RTC PHILIPS PCF85063TP are excellent solutions. However, removing the resistors I think is not good. I'm going to use the bidirectional I2C-bus translator because it's easier to find where I live.
Thank you everyone for the attention. PS: William Hermans, the link is working fine for me. I don't understand why it didn't work for you... No problem! http://www.ebay.com/itm/5-PCS-I2C-RTC-DS1307-AT24C32-Real-Time-Clock-Module-For-AVR-ARM-PIC-/172308340060?epid=846722400&hash=item281e609d5c:g:VxcAAOSwawpXsn0J -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/6ac00173-6952-4d45-990a-9f92a003917a%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.