Looking for a new Arcade Stick? Check out this review of the Hori Fight Stick Alpha live right now.
https://open.substack.com/pub/fromthedeskofchaos/p/hori-fight-stick-alpha-review?r=2bscoe&utm_campaign=post&utm_medium=web&showWelcomeOnShare=true
#gaming #videogames #arcade #fightstick #controller

So, a small change to the code has significantly reduced additional lag. Instead of reading inputs -> processing inputs -> writing outputs I'm now reading the inputs and writing the outputs at the same time which I probably should've been doing since the beginning. The max lag went from about 89 usec down to under 20 usec. Very happy with the result. #programming #fightstick

So, things completed on the fight stick for initial testing:

- Stability testing under Windows (about 2 hours)
- Stability testing on the PS1 (about 3 hours)
- Compatibility with the Brook Universal Fighting Board (4-in-1)

Left to test:

- Stability testing on the MiSTer
- Compatibility with the Brook Universal Fighting Board (Fusion)
- Compatibility with the Brook Zero-Pi Fighting Board

Things are going smoothly so far overall. #gaming #fightstick #electronics

The stability tests for the fighstick have been much better than expected. Played *Wild Arms* for over 2.5 hours and everything was perfectly stable. Later on tonight I'm going to pull out the MiSTer and continue testing everything out. However, the current firmware has been very stable. #electronics #fightstick #gaming

Initial testing has started. The fightstick is pulling about 1W with the RGB LEDs connected to the input board along with the OLED display. First up, the Playstation 1 via the Brook Wingman PS2 adapter. Surprisingly no issues whatsoever, the fighstick worked perfectly, there was enough power for the RGB LEDs...very, very nice. #electronics #fightstick #ps1

Pushed the code to the repo for the RGB support and updated the documentation. Still need to update the pictures, but I'm done with this for today...lol. #fightstick #programming

https://codeberg.org/JamesTheBard/ufb-input-board

Hell yeah, got the RGB stuff working. In a complete related note, there is a significant difference between `uint8_t` and `uint32_t`. However, all of the JSON parsing works and there hasn't been any noticeable impact on the display loop. #programming #electronics #fightstick

I think we're in business. Got the RGB code running on `core1` with the display code so it shouldn't impact any of the input and output processing. Got the LEDs triggering on the `L2` button and you can see it activating on the adapter board (left), the display, and the button RGB LED PCB in pink. #electronics #fightstick

So, the Kaimana J4 RGBs are definitely `WS2811` RGB LEDs and the color order is Green/Red/Blue. Got FastLED working and it seems that for the J4 that all of the RGB LEDs are addressable. I might make another version of the input board if I get the time to toggle the +5V rail going to the LEDs, but for right now everything is doing what it's supposed to. Unfortunately I am bitbanging the data to the RGB LEDs though. #electronics #programming #fightstick

Got the RGB LEDs working on the UFB Input Board. Still need to get the code running on the board, but the pinout is good to go. Now to get FastLED to work with `SPI1` on a Pico 2 which will be fun. #electronics #fightstick

The UFB Input Board (v1.2) hooked up to the adapter board and the code was pushed to the Pico 2. Everything is looking perfect, config loading from the MicroSD card, and all of the inputs and mapping functions working. Next up is the RGB part of the board. #electronics #fightstick

The final version of the UFB Input Board came in and they look awesome. The extra breakout of `SPI1` along with some unused GPIO pins off the Pico should make things easier for adding RGB and other fun things. #electronics #fightstick

Wooo, the new UFB input boards come in on Thursday/Friday. White PCB with black lettering...I'm so stoked. Once I get the assembled I can start working on the RGB code. #electronics #fightstick

Finally added a proper license to the fightstick project. Honestly, I'm stoked to get the last revision of the input board in from JLCPCB so I can make all of the RGB. #fightstick #electronics #programming

https://codeberg.org/JamesTheBard/ufb-input-board

Final version of the UFB input board with the added RGB/SPI support. Broke out a new header with some of the pins which should make things easier to expand. #electronics #fightstick

So, the boards are assembled and things are looking good. Unfortunately the idea of just hijacking the USB-C +5V from the Brook UFB did not work at all. However, removing the jumper connecting the +5V from the input board and connecting both to USB ports solved that issue. I don't like it, but it'll get the job done for now. However, everything else worked perfectly.

- Brook UFB USB-C conversion worked perfectly. The UFB now turns on exactly when the input board tells it to without issue.
- All of the inputs verified as good so switching modes and such on the UFB work perfectly.
- P-channel MOSFETs are awesome.

Looks like the new board revisions came in early...and they're looking mighty good. The main differences:

- Input board is black.
- Power enable signal coming from the input board to the adapter board to delay the UFB from powering on too quickly.
- USB-C connector on the adapter board
- USB-C configured for 5V/3A operations
- Added the Touchpad Key to the adapter board because I had somehow missed it.
- UFB power LED

Welp, that took less time than expected. A few pixels are cut off on the bottom which I will deal with later, but think this will work for the time being. Added a `resolution` configuration option in the `profiles.json` file on the SD card to control the display resolution. #electronics #fightstick