The adaptor you linked won't charge the tablet they provide power to whatever is plugged into the usb like hard drives etc as far as I've searched you can't charge via otg .people have tried with modified rooted phones and extra external hardware its very difficult to get it to work
That could be helpful if the moates box consumes power from the tablet ??Originally Posted by delcowizzid
Dean
Here is my setup that I have installed in my truck and works great. It is a Raspberry pi 3B with a 5in touchscreen mounted in the dash. I have a relay that turns on a 12v to 5v 3a convertor to power it. then have the obd1 connector to usb. I have a second usb out to a connector in the lower dash for the usb stick to copy the datalogs. It boots in about 45 sec and is running android os so I have the android tuner pro app. I don't have to worry about taking the laptop or it not being charged just power on and datalog, also it can be used as a digital dash display. 20180212_220317041_iOS.jpg
not sure about android but for the iphone/pad they make a thunderbolt out to 2 connectors so you can charge and connect to a device, maybe they have something like that for your tablet. The other possibility is to get a bluetooth obd1. I had one a few years abo when I used the tablet to datalog but when I went to the raspberry pi I sold it and just used the usb to obd1
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