For anyone after me thinking about building this. Don't. I have wasted time and effort to build and diagnose 2 kits, with little to show.
I have built a lot of different lisy boards, wolfpac displays, pin2dmds, various weebly kits, and a number of other kits over the years. I am not new to building boards or working on them.
The instructions are, ok. A couple of pictures you follow without any real explanation. They do not keep up with changes steve has made. They explain nothing. Not that big a deal for building the board, outside of knowing to add the extra headers to the black pill, but have fun with the software. For example the software picks the wrong dac on first boot. There are a dozen to chose from and no information as to what does what is given.
The boards do not love taking solder. Thought I was losing my mind, went back to building a few lisy boards and a set of wolfpacs and have 0 issues. Worse, go ahead and right off removing things without damaging them. I have two black pills missing pads now because they are known to have issues, but they refuse to desolder. I have a hakko, correct tips, several different types of fluxes, and no dice getting all the solder off the underside. Worse it relies on cheap components that are failure prone. Black pills which are proving very unreliable, personally have had one that would not take power except by usb. I also have the backbox volume pot on one board, failing when I have only used the board for testing.
Supposed features don't work, and have no explanation. Data East's volume pot should work with the current board design. It doesn't. No documentation on how to get it working. Digging through posts on here and a few comments about not getting it working.
Steve is too lazy to update the software so if you try to build with a new raspberry pi, it won't work. You have to find another kind pinsider to supply you an updated image.
The number of alt sound sets is low. They need to be converted to wav format when most are in ogg. Failure to do that and the sounds cut out constantly.
On BOTH of my boards the JP roar triggers with specific sounds. Checking the logs it shows that the board believes the sound is being sent from my mpu. Sound works fine on the original board. I have the issue on two separate boards. I have tested other ribbon cables, pi's, replaced the black pill more than once. My bet is the software has a bug, but since I can't back date to an older version, which I was told by another JP owner due to it crashing on his game with newer images. Problem is older images do not run on newer Pi's so I am shit out of luck.
Unless you pay for a license there is a 10 minute limit, which seems fair except it takes several minutes to get the wifi to start and connect to it and test. Not paying for a license on a board displaying issues, but can't diagnose because I might get 6 minutes before the sound turns off. Have fun cycling power, waiting for the wifi, reconnecting, and getting back to whatever logs or feature you were focused on before it inevitably kills the sound after a few minutes.
Steve is non-responsive. He seems to have abandoned pinside. Its been a month since I emailed him off of his site, but no response. I have heard from others he doesn't respond.
In theory this is a great product, in practice it is a buggy mess sold by a guy who doesn't stand behind his work. Stick with your stock board or spend the money for pinsound. By all means avoid this dumpster fire filled with broken promises.