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ESP8266 Home Automation Projects by Catalin Batrinu

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Working offline

If your data is more sensitive and you don't want to share it across the Wi-Fi network or you don't have Wi-Fi connectivity, a solution is to store your data on an SD card.

Let's see how data can be stored on an SD card.

Necessary hardware that will be used:

  • Wemos D1 mini:
  • microSD card shield:
  • microSD card:

Since the microSD card is a shield for the Wemos D1 mini, it is easy to stack them; you just need to solder the pins ...

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