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DataLog Shield for WeMos D1 mini, with pin-headers set Arduino Module. With this Data Log Shield for WiFi D1 Mini board, can saving data to files on any FAT16 or FAT32 formatted MicroSD card. RTC protected from wrong connecting of battery.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.