ESP8266 Community Forum

Posted: **Mon Jul 01, 2019 4:18 pm**

Hello,
I did everything in the tutorial on that link https://arduinobasics.blogspot.com/2018/09/getting-started-with-keyes-esp-13-wifi.html,

but I still get this error message :

"Ai-Thinker Technology Co.,Ltd.

invalid"

can anyone help please, your replay is really aprretiated and thank you in advance

Posted: **Fri Jul 05, 2019 10:40 am**

newuser wrote:I did everything in the tutorial on that link

I don't recognize that message directly at boot, but shouldn't you ask over there instead, since they're the one that wrote that tutorial?

The only thing I can think of is that the bootsettings are incorrect and/or there's no firmware yet available (or it tries to boot in SDBoot-mode?).

ESPModes.png

"invalid" error message on serial monitor