Describe: 

Using this data logging shield as a WiFi D1 Mini board, data can be saved to a file on any FAT16 or FAT32 formatted MicroSD card. The included RTC (Real Time Clock) can be used to time stamp all data at the current time so you know exactly when something happened!

The SD card interface is used with FAT16 or FAT32 formatted cards.

The real-time clock (RTC) keeps time elapsed even when the power is disconnected. Coin cell battery backup last date and time.

RTC protection battery is not connected properly.

Pin:

RTC:

D1 - SCL

D2 - SDA

CD card:

D5 - CLK

D6 - DO

D7 - DI

D8 - CS

Package Included: 

1PC*Micro SD D1 Mini Data Logger Shield + RTC DS1307 Raspberry Clock