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fape/esp-12f-esp3d.md

Last active June 1, 2019 14:04
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Cheap ESP-12F based serial wifi module with ESP3d
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esp-12f-esp3d.md

I managed to flash ESP3D to cheap ESP-12F based serial wifi module (eg from aliexpress ). It contains built in 2way levelshifter. So we can power and use with 5V.

  • We need to manualy ground the IO0 to start in flash mode while powering up (there is no switch for that, neither for reset)
    • wiring
  • I used FTDI adapter as usb2serial
  • We have to see in console/serial monitor boot mode is (1,7).
    • baudrate: 74880
    • rst cause:2, boot mode:(3,7)
  • Then flash like other esp based board for esp3d
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