History

Blaz Kristan cf48ad06ed New SPI display SSD1309 for 4LD. Fixed global I2C usage (no pin allocation in usermods). Enabled option dor Multi relay.		2023-06-21 23:31:15 +02:00
..
readme.md	Spelling check by @wthomson (#2940 )	2022-12-10 16:12:55 +01:00
usermod_rtc.h	New SPI display SSD1309 for 4LD.	2023-06-21 23:31:15 +02:00

DS1307/DS3231 Real time clock

Gets the time from I2C RTC module on boot. This allows clock operation if WiFi is not available. The stored time is updated each time NTP is synced.

Installation

Add the build flag -D USERMOD_RTC to your platformio environment.