Wemos D1 Mini Shield RTC DS1307 with battery + MicroSD data logger

Shield untuk Wemos D1 mini (R1 atau R2)

Dual Side D1 mini shield
1 sisi adalah RTC DS1307 sudah dilengkapi battery 3V
1 sisi lainya adalah microSD data logger (tidak termasuk kartu memory micro SD)

Data Logger and RTC Shield for WeMos / WiFi D1 mini PRO. This shield allows you to store data on an SD card. The included RTC (Real Time Clock) can be used to add a timestamp, so that you know the exact time of each record! The coin cell backup battery keeps the real time clock going even when the power is disconnected. The real-time clock has reverse polarity protection.

Technical details:

SD card type: microSD
Supported file system: FAT16 or FAT32
Backup battery type: CR1220

Pinout

RTC:

D1 — SCL
D2 — SDA

SD card:

D5 — CLK
D6 — DO
D7 — DI
D8 — CS