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Questions tagged [ds1307]

a low-power I2C serial real-time clock (RTC) with full binary-coded decimal (BCD) clock/calendar plus 56 bytes of non-volatile SRAM

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8
votes
3answers
9k views

How to install Real Time Clock (RTC) on Raspbian?

I have: Raspberry Pi with 2015-05-05-raspbian-wheezy ds1307 attached (it's an Adafruit board, pullup resistors not installed). How do I: configure drivers make sure the Pi actually uses the RTC ...
4
votes
4answers
20k views

How can I automatically update the hwclock with NTP when I have internet connection

I'm using an RPi with Raspbian which runs the NTP-daemon by default. I have connected an rtc-ds1307 external i2c hardware clock. I was following the instructions given here to set it up: http://learn....
2
votes
4answers
1k views

Connecting RTC DS1037, Pin 5 already occupied

I think of adding a RTC Module to my Raspberry Pi. I found the following tutorial. http://www.forum-raspberrypi.de/Thread-tutorial-realtime-clock-rtc-ds1307-am-raspberry-pi-betreiben In general it's ...