I used the STM32F103RCT6 to drive the P4 outdoor screen RGB full color scan mode to 10 scans but it doesn't seem to work

[ShiPC123]

[board707]

Hi
What is your panel's pixel dimensions and scan factor? Please take a good resolution picture of panel's rear side.
Please show the headings for all types the chips on the panel.

[ShiPC123]

HI Some photos and board connection I put in the issues specific board interface definition figure

#104

[ShiPC123]

The pixel of the dot screen is 80X40 1/10 scan The circuit diagram is shown

of the dot screen is 80X40 1/10 scan

[board707]

Continued in #104