One of the Simpits list members has a few circuit boards that he’s trying to identify:
If you can identify any of these boards, please post a message to the simpits-tech list, the forum or just leave a comment here.
Here’s the answer! Many thanks to Mr. Boldt for this.
The first one is a USB to general purpose digital I/O bridge, for
interfacing to switches, LEDs, and other hardware.
The 2nd pic is a Photon GPS add-on board. IFS is now defunct and without
the main Photon board to connect it to, you may be out of luck. They
were interfaces made for (and about the time of) FS2004, using