WIFI D1 mini - Data logger shield for D1 mini with RTC and MicroSD

With this Data Log Shield for WiFi D1 Mini board, you can save data to files on any FAT16 or FAT32 formatted MicroSD card. The included RTC (Real Time Clock) can be used to timestamp all your data with the current time, so that you know precisely what happened when!

SD card interface works with FAT16 or FAT32 formatted cards.

The coin cell backup battery keeps the real time clock going even when the power is disconnected. The RTC has reverse polarity protection.

Pinout:

RTC:
D1 - SCL
D2 - SDA

SD card:
D5 - CLK
D6 - DO
D7 - DI
D8 - CS