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This article mainly introduces raspberry model b how to install ds323 module, the article is very detailed, has a certain reference value, interested friends must read it!

The version of the system is available for jessie measurement.

1. Open the i2C interface and load ds3231 support

1) add editor / boot/config.txt at the end

Dtparam=i2c_arm=on

Dtoverlay=i2c-rtc,ds3231

2) add to module file

Edit / etc/modules add the following

Snd-bcm2835

I2c-bcm2835

I2c-dev

Rtc-ds1307

two。 Create hwclock service service files and enable services

1) create / lib/systemd/system/hwclock-start.service and write:

Cat > / lib/systemd/system/hwclock-start.service / lib/systemd/system/hwclock-stop.service

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