Acrycade gear Vesrion Pico Fighting Board 7.1 firmware 
If you want to play street fight 6 and tekken8 with new cpt socd rule, this one is for you. 
Easy swap with you existing pcb for hitbox , mixbox , other variation fightging stick. 

Firmware Features:
-Comes preload with the latest open source GP2040 firmware:
-Selectable input modes: XInput,  DirectInput, Nintendo Switch
-Supported platforms: PC, Raspberry Pi, MiSTer, Android, Nintendo Switch, PS3, PS4 (no 8min timeout issue)
-Default polling rate of 1000 Hz / 1 ms in all input modes
-Less than 1 ms of input latency
-Left/Right stick emulation via D-pad inputs
-Select from 3 SOCD modes: Neutral, Up Priority (Hit Box) and Last Input Wins
nput mode
To select an input mode, press and hold one of the following buttons while plugging in the controller:
1P - For PS3/D input
2P- For PS4/ D input
1K - For Nintendo Switch
2k - For PC/X Input
 
SOCD mode
To select the active SOCD mode, press while the controller is plugged in:
HOME + START + DOWN - Neutral (U+D=N, L+R=N)
HOME +START +UP - priority up (U + D =U, L+R=N)
HOME + START+ LEFT - last input priority
 

Package 
Pico gp2040 x 1 
usb cable x 1 
Wire set ( including 1 loom and 2 side wire for l3 r3, tpad )