Error compiling for board NodeMCU 1.0 (ESP-12E Module)

Development Tools IDE 1.x
6

OK, here you go:

  1. Select Tools > Board > Boards Manager... from the Arduino IDE menus.
    The "Boards Manager" dialog will open.
  2. Wait for the updates to finish, as shown by the messages printed at the bottom of the "Boards Manager" dialog.
  3. Scroll down through the list of boards platforms until you find the "esp8266" entry. Click on it.
    A "Select version" dropdown will appear in the entry.
  4. Click on the "Select version" dropdown.
    It will expand.
  5. Select "3.0.2" from the menu.
  6. Click the "Install" button in the "esp8266" entry.
  7. Wait for the installation to finish.
  8. Click the "Close" button on the "Boards Manager" dialog.
    The "Boards Manager" dialog will close.
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