Panels with SM16380, DP3364, FM6373 and other PWM modules

[maxmurugan]

HI sir,

Panel description

Dimensions (in pixels) : 80x40

Scan factor: 1/20

Chips on rear side: TC7262, FM6373, HCT245

PICO board

16380SH, DP3364, and FM6373 PWM modules are available in the market.

[board707]

16380SH, DP3364, and FM6373 PWM modules are available in the market.

Hello
Yes, there are more and more of these panels now. They work better and faster than traditional ones, so they will probably soon make up the majority of offers on the market.

Why do so few libraries support them? - there are several reasons. The most important is that all traditional HUB75 drivers have a common, or at least similar protocol. By writing code for a traditional HUB75 RGB panel, we get a library that can work with dozens of drivers of this type.
With PWM type drivers the situation is the opposite. First of all, constantly changing protocols and lack of documentation. The development of algorithms for such panels is happening right now, manufacturers are trying more and more new ideas and prefer to keep their achievements secret. The result is that for almost every new driver, the protocol has to be reversed from scratch or almost from scratch, and blindly, which takes a lot of time and effort.
In addition to this, the protocols of such drivers contain several parallel pulse sequences at high frequencies, which is quite difficult to implement on cheap and mid-level microcontrollers, as are usually used in DIY world.

I have added code for PWM drivers FM6353 & FM6363 to my library. I am currently working with DP3264. As this is not my work, I do it as a hobby, so each driver takes several months to work on - and as a result, the library is added with code that works only with a specific chip and no others. And new drivers appear every month. I'm tired. I don't think that adding more and more new chips to the code is effective.

In this matter, we need some new perspective that will sort all new chips into 2-3 large classes and develop a common code for each driver class, common to similar panels.

[board707]

@maxmurugan
Because your message is not a real issue, I will convert it in discussion.

[board707]

@maxmurugan
In the #163, @kingdo9 posted detailed time diagrams of the FM6373 driver's operation. Perhaps this will be useful to you.

[maxmurugan]

ok thankyou sir

[ravigyanvihar]

Hi sir,
can we port support for FM6363 and FM5363 to rp2040 .
i guess currently they only support stm32 in the library

[board707]

The FM6373 support added in v1.2.4 c04f759 (stm32 boards)

[maxmurugan]

Thank you so much for adding FM6373 support in v1.2.4 (commit c04f759)! This is a very valuable update for LED board developers, especially using STM32 boards. Your work makes a real difference for the community — truly appreciated! 🙌

[maxmurugan]

Pico (RP2040) users are also eagerly waiting — hope Pico support can be added in the future. Thanks for your excellent work!**