@ryanscherf@payment@starter_story Interesting strategy in making all this public now. Among other things, seems rather like an ideal plan to inoculate against Stripe moving in on it (or the dubious trademark-use), especially given how they value their reputation of being developer-friendly... :)
@BleckyWhat Re: Bluehurty, to continue the blue theme, how about an STM32 Blue Pill module for capturing the data? Ridiculously cheap, lots of GPIOs, most of which are already 5V-tolerant.
@TimOliverAU Build it on macOS and play with the python API to make sure it works well with your own sample images first, before you go to any effort of porting. :)
Additional bonus: it is *extremely* fast and memory-efficient.