not recommended/limited/use at own risk!
>ATI
ELM327 v1.5
>AT @1
OBDII to RS232 Interpreter
>AT RV
28.3V
This is a pirate product. You might want to reconsider your choice. As of 2017-06 the device is available via EBay for some EUR 10
After connecting the USB cable to your USB port you can check whether the device is visible.
Linux/MacOS:
lsusb
Bus 004 Device 003: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
On Mac OS El Capitan the /dev/cu device does not appear "out of the box"
The link:
includes a download location for the driver. Download the driver and install according to the pdf file included in the download. The pdf as of 2017-06 is shown below: