Issue when using lcd widget and physical lcd

[PeteKnight]

@saadi

#define ESP8266_BAUD 38400

I’m surprised that this actually works, and I’d be even more surprised if it continues to work consistently over a period of time.
You should read this…

Understanding hardware and software serial ports

I’m still seeing frequent posts, mostly from new members of the forum, who are confused about how to add WiFi or Bluetooth connectivity to devices like the Arduino Uno, Nano or Mega, or from people who are trying to use serial communication with some other type of peripheral. I thought I’d try to put together some guidance on how to do this properly. First things first though – if you’re using a device such as an Uno, Nano or Mega that doesn’t have built-in internet connectivity then you shoul…

@saadi

I get connected to Blynk server and a led (on, off) so the ESP is working correctly, then tried to print in lcd widget and it worked ( i got the print on the app) and tried the I2C LCD that i have and it’s working as well.

I think it would be useful if you posted both of these sketches.

It would also be useful if you told us whether you are using the LCD widget in simple or advanced mode, and which virtual datastream it’s attached to.

Pete.