ESP-12 + Arduino IDE + FTDI232


Atention: Power supply must be 3.3V!

Instructions for flashing/uploading sketches:

  1. Power on FTDI and make sure computer is detecting it
  2. Connect GPIO0 to Ground
  3. Power on power supply (3.3V)
  4. Upload sketch
  5. Power off power supply
  6. Disconnect GPIO0 from Ground
  7. Power on power supply

Note: Most of tutorials have GPIO2 HIGH. On mine it doesn’t work, must be LOW

Try with BLINK example but change PIN 13 to PIN 2 to enable the BUILTIN_LED


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