![]() You can make this as stylish or as simple as you'd like. If you to permanently install your tablet you may choose to fabricate a mounting system into your dashboard. You'll also have to decide where to place your plugs if you're using an aux cable or USB for charging. Figure out a placement that won't distract your driving, but is convenient enough to not be a struggle to use. You can even mount it to the glove box or a cup holder. If you don't want to rip out your head unit, you can install the tablet on your dashboard or over the original head unit. Figure out placement and a mounting system.You need to be sure your tablet can support such things, it will be called USB On the Go (OTG), which basically means it can detect data input, not just send data out of the USB port. These are usually hooked up to the tablet's USB port with a hub or via Bluetooth. You can use Bluetooth peripherals, a USB flash drives, NFC tags, rear-view cameras, and myriad other things. Set up data equipment: This is entirely optional and dependent on what extra tasks you want your tablet to do.You can run speaker cable through your car to aftermarket speakers, but if you want to keep your original car speakers you'll need a manufacturer-specific stereo harness to match up to the one you unplugged from the head unit you removed. Finally, you'll need wiring to get the sound from the amp to the speakers. Then you'll need to process the sound, so you're going to need an amplifier and possibly an equalizer. Possibilities include Bluetooth adapters, headphone jack audio, or USB audio. Set up audio equipment: You're going to need a way to get sound from your tablet to the speakers.If your tablet supports Qi wireless charging, that could be a viable option to keep the installation a bit cleaner. You could also wire up a DC to DC converter. Standard phone/tablet USB chargers have this circuitry built in, so it's smart to use that. Either way, you'll need some conversion hardware to step the 12 VDC from the battery down to 5 VDC for your device. Depending on which fuse you pick, it will either be switched by the ignition or constant. You can run a line straight from your battery, which will provide constant power unless you add a switch (be sure to use an in-line fuse here), or you can run wiring from an existing unused fuse right off the fuse box. Set up a power/charging system: You have a few options here.Usually this involves removing some trim pieces from the dash and/or console and getting to some hard to reach screws, plus a bit of elbow grease to slide the radio from its housing, then unplugging the stereo wiring harness. Remove your old head unit: Follow your manufacturer's manual for removal steps.Recipe for a Tablet Head unit Installation ![]() Okay, because this process is highly customized to the type of car and tablet you're using, as well as your personal goals and desired operation, I'll outline a rough guide for how you'll want to install a tablet into your car, and follow up with what I personally did and the challenges I faced. Nexus 7 Car Installation Parts List (minus the Subaru Baja's dash trim piece, which was found on eBay).Phone Tethering (allows my phone to act as a Wifi hotspot which my tablet can connect to). ![]() Diagnostic app with an ELM327 Bluetooth OBDII scanner interface.(Props to Kahtaf Alam, who developed this app) Beta app that acts as the tablet's home screen.Easily returnable to stock if I decide to sell my car.Make the interface a seamless, "plug-and-play-and drive" setup with minimal connections and manipulations to be made each time the tablet is plugged in.Make the tablet removable to prevent theft and for allow home use.Use my tablet as an "Android interface" with my car to replace several devices (Music, FM and internet radio, USB thumb drive, Maps and GPS navigation, and OBDII scanner/car diagnostic info). ![]() I began this project quite a while ago, and spent plenty of time researching on Google and forums for similar projects, compiling ideas and parts, and learning more about the software and hardware requirements for this build. So, why not integrate the tablet into the dashboard of my car instead of messing with expensive upgrades? Well, that's exactly what I've done. I have enjoyed using an Android tablet for some time now, and realized that all of the functionality I wanted in my car was built right into this system. But these options can cost hundreds, if not thousands, for equipment and labor. Here's a write-up about my project with some pictures and a parts list for anyone looking to do something similar.Ī standard car radio is fine, but what if you want more functionality out of the space in your dashboard? You can choose to install upgrade components, such as a GPS, better sound system, backup camera, even an on-board computer. I recently finished integrating a docking system in my 2005 Subaru Baja for my Asus Nexus 7 (2013). ![]()
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