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[Feature Request] Direct integration with Autopi hardware

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Description:  Integration of ABRP with autopi device to provide OBD data directly to the application.

Use Case:  Autopi is a powerful hardware platform with many possibilities to benefit the EV driver and is available with or without cellular (4G) connection. Purchasing without the cellular dongle is appealing due to the lower outlay for the hardware and contract for the SIM.

Having ABRP query the OBD data directly (over port 35000 for example) would remove the need to have the data upload to ABRP's servers via a cellular connection. This is beneficial as cellular connections are typically patchy in the locations where you most need them (such as planning an unexpected recharge-stop).

The existing use-case is as follows:

 - Torque Pro or EV Notify ("the app") queries the OBD device either over BT or WiFi. The app then sends the data through the API to ABRP's servers. ABRP then downloads that data to create a dynamic overview of the battery SoC, temp, SoH...

In the proposed sutuation the autopi device would become the AP (or hotspot if cellular is needed/enabled) with the phone/tablet running ABRP and querying the autopi device for OBD data. If needed, the phone/tablet could instead be specified as the network gateway to provide a route to the internet, etc. Additionally, upload of the OBD data to ABRP's servers could also be enabled, probably directly from the autopi too, if needed.

Additionally, autopi may also be able to provide logging facilities (for OBD data or trip data from ABRP) as a local point of reference for users.

Hopefully this makes sense.

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