I built a data logger a few years back. The data you likely want is on the CAN BUS network. You’ll need a CAN BUS hat for a pi or a pi with it baked in. There are other ways but you will likely end up realizing a pi or similar is best.
You’ll need to log the data while away from home and then sync the data when WiFi is available. Requiring the pi to stay powered after the car shuts off. Easy to do with some relays.
Depending on what data you are looking for it shouldn’t be too much work to get going on logging.
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I built a data logger a few years back. The data you likely want is on the CAN BUS network. You’ll need a CAN BUS hat for a pi or a pi with it baked in. There are other ways but you will likely end up realizing a pi or similar is best.
You’ll need to log the data while away from home and then sync the data when WiFi is available. Requiring the pi to stay powered after the car shuts off. Easy to do with some relays.
Depending on what data you are looking for it shouldn’t be too much work to get going on logging.