Heads Up for Ford/Mazda owners only
If you need some (free) diagnostic OBD software for your mobile/laptop see Forscan
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It can use the same ELM327 as used with Torque although I purchased a USB version (with switch) so I could connect it to my old laptop so that I could record the sensor graphs
I used this Ebay seller
I've no connection with the site - just user of the software.