Getting the data out of the meter is the big coup, however. Not wanting to risk the computer that he’s connecting to the meter, [Kerry] knew that he needed optoisolation between the meter and ...
After all, as a high-end example, the Snap-On ZEUS+ diagnostic computer costs nearly $12,000. Once the investment has been ...
[Craig] cracked open a multimeter to unlock RS232 serial communications ... and a bit of parsing on the PC side to handle incoming data.