platformio: - add bh1750 to _max - define rotary defaults for wemos usermod_bh1750 - Remove HW_PIN_* and replace by i2c_sda etc - add appendConfigData usermods mpu6050_imu, rtc, 4ld, pinmanager - Remove HW_PIN_* change SDA2:pin (etc) to SDA:pin
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.