DS3232RTC NTP Setter
Connecting a real-time clock chip allows time to be maintained when OFF or in deep sleep modes without requiring an active network connection.
This example demonstrates how to do this using the popular DS3232 I2C device, and also how to set it up using a network time server.
References
SoC support
esp32
esp32c2
esp32c3
esp32s2
esp32s3
esp8266
host
rp2040