I have one of those; as far as I could tell they're crappy non-compliant Chinese knockoffs of real ELM327 chips. I wasn't able to get much of anything good or i

I have one of those; as far as I could tell they're crappy non-compliant Chinese knockoffs of real ELM327 chips. I wasn't able to get much of anything good or interesting out of it and had to get a Beaglebone with CAN bus cape to get any farther (other problems with that but that's separate). Hotz confirms if you read the comments on the article.