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No feedback after "page" command


I try to use a Nextion screen with a microcontroller, and I use the command "page"  ("page 1", "page 2"...) to change pages.
After sending the command, and see the page change on screen, I'm waiting for the nextion feddback "Successful execution of instruction" 0x01 + end, but the Nexion doesn't send me any data (checked tx line with oscilloscope). Is that normal ?

Thanks for your reply


Normal will depend on the state of your Nextion System Variables, No?

Thanks Patrick for your help, yes I had to put the System Variable bkcmd=3 and it works.


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