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403 bytes added, 16:59, 27 April 2023

A: Yes. please contact us at mail: support@geekworm.com， But we actually think OLED displays are pointless

'''Q: How to enable RTC?'''

A: Firstly, insert the C1220 button battery.

run the following command:

rw

sudo nano /boot/config.txt

#Then change the line: '''dtoverlay=i2c-rtc,pcf8563''' to '''dtoverlay=i2c-rtc,ds1307'''

#Test RTC

#Display the current time of the Raspberry Pi

date

#Write the time of Raspberry Pi to DS1307

sudo hwclock -w

#Read the time of DS1307

sudo hwclock -r

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