MICRO SD WEMOS D1 Mini Data Logger Shield+RTC DS1307 Clock For Arduino/Raspberry EUR 3,25 - PicClick IT
RTC DS1307 SHIELD FOR WEMOS D1 - iFuture Technology
D1 Mini Data Logging Shield With DS1307 RTC And Micro-SD Slot
D1 Mini Data Logging Shield With DS1307 RTC And Micro-SD Slot
WeMos D1 Mini RTC Shield DS1307 -
Micro SD Card Shield — WEMOS documentation
Micro SD Card Shield — WEMOS documentation
Using the Wifi D1 Mini - Real-time Clock and Logger : 5 Steps - Instructables
RTC DS1307 Real Time Clock DataLog Shield for Micro SD WeMos D1 Mini+RTC DS1307 Clock With Pin-headers Set For Raspberry - Arduiner - Arduino Components Shop