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Old 05-21-2008, 11:32 AM   #158 (permalink)
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silverciv - '01 Honda Civic EX 2dr
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Does the ELM use TTL straight out of the chip? I am currently trying to use a MAX233 on the Arduino side to convert the ttl to rs232 but, I am having some trouble. I thought that the chip itself used rs232 but, I hope I am wrong.
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