Updated DS3231 External RTC (markdown)

Adrian Scillato 2019-06-05 23:21:02 -03:00
parent 15a65c685f
commit 624deb0102
1 changed files with 5 additions and 1 deletions

@ -42,3 +42,7 @@ In the Configuration -> Configure Module page, select the following:
Make sure that the time is correct even when you not have internet connection.
You also can see in the LOG that we read or write the time from and to the DS3231
### Note on DS1307
DS1307 is also compatible with DS3231. The only difference is that it requires 5V at VCC to work instead of 3.3V of DS3231 and is not as precise. The SDA and SCL pins can be connected directly to your ESP8266 device.