OBDuino does not use special AT command of the ELM327 but rather basic command so alex device should work, just plug the tx/rx of it on the rx/tx of an arduino and voilà, should work.
I don't know his license scheme, but as he provides schematic and HEX, you can build your own PCB, solder, flash the PIC, and use it without owning him something?!?
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2013 Hyundai Sonata Hybrid
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