with a working Android tablet based carputer now in place (mp3car worklog here…), i turned to a completely superfluous project – a fully integrated rear-screen projection system for watching movies around camp. why? well why not! i do these type of projects simply because i enjoy fabricating and hacking on things. i do expect to use the system …
the original Motorola XOOM tablet is getting a bit old by mobile electronics standards, but it’s still a great tablet mainly thanks to several official OS upgrades (currently on early Jelly Bean), and plenty of unofficial ROM support. it had excellent specs when it launched (early 2011) and runs quite stable with moderate overclocking which …
in part 1 of this series, i covered the basics for how to interface with a vehicle bus using an inexpensive USB or Bluetooth ELM327-based scan tool. in part 2 below, i’ll go over how to actually use that hardware interface to collect and analyze data with the intention of discovering how to interact with …