Hello,

I want to make UART communication between Stone-Hmi and Arduino.

I have made connections as shown in the attached file but unable to see value on the screen.

Please Help if anyone knows it.

 

Hi Neha.
do you solve your issue.?

i´m having the same problem but with a wemos esp 32

 

The STONE module driver chip is integrated into the display and has software for users to use. The user simply adds buttons, text boxes, and other logic to the designed UI image then generates a configuration file and downloads it to the display to run.
The STVI070WT-01 display communicates with the MCU via UART-rs232 signals, which means that the rs232 signals need to be converted into TTL signals to communicate with Arduino MCU.
If you think the level conversion is too cumbersome, you can choose other types of displays for STONE : https://www.stoneitech.com/product/by-application/civil-type , some of which can output UART-TTL signals directly.