Plug your ESP+FTDI to your computer again.NodeMCU flasher gets stuck at a certain percentage Problem 2 – If your FTDI can’t supply enough current, you might need to buy a new FTDI programmer or power your ESP8266 with an external power supply. Repeat steps 2 and 3 a few times until your ESP reboots and hopefully the NodeMCU flasher can detect your ESP and start the flashing process.
Remove that wire from GND and connect to VCC.Connect a wire from your ESP8266 reset pin to GND.If it’s still saying “Waiting MAC”, then try the following: Apply power to your ESP8266 and open the NodeMCU flasher.Having your ESP connected like this (double check that GPIO 0 is connected to GND).Problem 1 – How to make your ESP go into flash mode: Problem 2 – Your FTDI Programmer can’t supply enough current to your ESP.Problem 1 – Your ESP isn’t in flash mode (double-check if GPIO 0 is connected to GND on power up).If you pressed the “Flash” button and nothing happens… It means one of these two things: If you have changed some of the settings, I highly recommend that you re-download the NodeMCU flasher.Īfter I press the “Flash” button nothing happens, the NodeMCU flasher doesn’t start the flashing process The NodeMCU flasher already comes with the right settings by default. Which settings should I use with the NodeMCU flasher? Go to the NodeMCU flasher GitHub repository and download the flasher for your Windows PC bit version by clicking the button that says “Raw”: ESP8266 Troubleshooting – NodeMCU Flasher Where do I download the NodeMCU flasher? Here’s a compilation with some of the most common problems with the ESP8266 and how to fix them. This is a companion guide to the Home Automation using ESP8266 and Password Protected Web Server eBooks. The ESP8266 has a few common issues, specially when you are trying to flash a new firmware or uploading scripts.
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