Yeah I was really excited about working with it, limitations notwithstanding... Until learning they charged $$$ for a dev license, which seems like a slap in the face and a hallmark of scams. Now I'm just waiting for used units to hit eBay + reverse engineer the protocol.
I'm not quite interested enough yet to buy bare Hamamatsu (or neospectra/other knockoff?) spectrometer chips, but would totally buy a breakout PCB for one if somebody had a bunch made