ST7540 development board

[Meiliany Pranolo]

anyone has ever used this? can we discuss it?
https://www.aliexpress.com/item/Pow...power-cut-three-phase-can-be/32820677959.html

and, if i didn't get the program from the supplier where i bought it, where can i download the program and schematic?

 

[73's de Edd]

This is the way ST . . . the main chip manufacturer shows you . . .
HOWTODOITTOIT . . . .

http://www.st.com/content/ccc/resou...df/jcr:content/translations/en.CD00143379.pdf

73's de Edd
.....

 

[Meiliany Pranolo]

that is just a basic schematic on st7540. the one I ask is embedded with something else, like the microcontroller. and that document DO NOT cover that part. I already search the ST site, but i didn't find that module. THAT'S WHY I ASK HERE IF THERE IS SOMEONE WHO HAS USED THAT BEFORE. Thank you.