board707
board707
There is no Serial upload for STM32F4, but you can setup DFU upload with same dfu-util as for STM32F1 via onboard USB. But using st-link is more easy and convenient,...
First, do not confuse upload via St-link and DFU, they are two different methods. As for St-link - this upload method is enabled by default for STM32F4, st-link drivers are...
For 2 panels you do not need to remove this part of code, it should work anyway (because of the fact that "stupidity check" condition is not true). In case...
alba-ado, I'm not the author
> Can we remove it ? Better make the change that I proposed in first reply, it should fixing your problem with 1/8 code and do not broke anything else
Hi! Your matrix is a tricky case. Firstly, most libraries do not support 80x40, since it is quite rare. Although, in general terms, the operation of this matrices is similar...
> is it 160x20 internally? @ergindemir Very interesting question. I hope @tom3f tells us 160x20 - Do you mean 80px of one row first and then 80px of the other?...
Thank you @tom3f As I see in the schematics - note the inscriptions on the outputs of driver UR1 - a zigzag scan of 8 pixels is used here. Each...
Please provude the photo of the other side
Hi @mrfaptastic, the problem with panels 1/4, 1/8 and similar is that for each type, for example 1/4, there are many variants for addressing rows and columns. Thus, it is...