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Old 01-24-2013, 08:52 AM   #1
WREXMachina
Scooby Newbie
 
Member#: 275929
Join Date: Mar 2011
Chapter/Region: MAIC
Vehicle:
02 WRX
Silver

Default Alternative Nexus 7 Install

Alright, so this is actual a tablet install I had done previously with a Huawei S7 tablet a year and a half ago. It's gone through a few stages from 'eh, it works but it's ugly' to 'well that looks alright', and after I got an additional N7 to install, I think it's about read to share (But it's not 100% done)

My clock was dead, and I really loved the torque app, so previously I cut an extra clock pod to hold a tablet, running power from the cig lighter below. It got horrible battery time, and the screen was dull, but it worked.

Now, I have a metal frame secured to the AC vents below the pod, with med. gauge wire securing it to the tubes running below it since the vents would flex when the actuator moved the tablet.

The tablet raises via a switch on my center console. I have a Pulse Width Modulation generator in the clock pod area, which generates a signal to an actuator based on the resistance between 2 pins. With 2 resistors wired in parallel (2 pots actually) and a switch at one of the resistors, I can change the resistance and have 2 adjustable points the actuator raises to. This allows me to raise the tablet by clicking a button.

The power is tied into the clock pod via a 12v to 5v 3A switching converter. This allows switched power to the actuators, tablet, and an auxiliary port I have in my center console, as well as give plenty of juice. The N7 is set so it turns on when there is power to it, and shuts off when it has been sitting idle for a few hours. I know I will get some people saying it can't pull that much amperage, but 3A at 5V, even with 75% efficiency (switching converters are very efficient) I am only pulling 1.5A off the circuit. It's been running like this for months with my old tablet with no popped fuses or problems otherwise.

I still need to cut my old clock pod to cover the gaps along the edges, and use cloth underneath the tablet and on the back so that the wires are hidden, and it's not readily apparent I have a tablet in the car (one of my goals was not to have to hide it to keep from getting stolen).

I still don't have my appropriate right angle USB cable, which is why I am using just a standard cable in the photo. A right angle will be hidden in the sides, so it won't be visable unlike the cable I have now. I also plan to imbed a magnet so I can utilize the N7's automatic sleeping when it's laying down flat.

Bear in mind I do NOT want the tablet to play music. It's there for the torque app and navigation.




Pics here:
http://imgur.com/Nk2MV0H,KN4fUju#1
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Last edited by WREXMachina; 01-24-2013 at 09:06 AM.
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