Yeah, I completely forgot about USB. On some (non-Android) phones it's not accessible to the app, so it didn't come to mind.
On Jul 24, 9:37 am, Bret Foreman <bret.fore...@gmail.com> wrote: > As for connecting sensors to the phone, your best bet will be USB > based sensors. Almost the entire sensor market has gone over to these > devices because of their easy connection to PCs. The only hitch will > be getting access to the hardware I/O specifications of the sensor so > you can talk to it. Most sensor companies provide ready-made software > and don't publish the I/O specs. You'll need to find one who is > willing to work with you. The good news is that there are many of them > out there and they are hungry to get their hardware into new > applications. > > As for the specific sensor, you need to get a physicist involved in > your project. The human body is mostly water and the penetration of > radio waves is inversely related to frequency. This is well studied > and will tell you which bands are going to concern your system. The > good news is that low frequencies (the most penetrating) are easy to > demodulate with modern high speed A/D systems (like the ones you will > have in your USB sensor). You need to get a signal processing expert > to help you with that part but modern Android phones have enough > processing power to handle the task, as I've found in my own work. > You'll also need some analog electronics for the "front end" to boost > the signal enough to demodulate it. Get an electrical engineer to help > you with that. > > Overall it sounds like a fun project. In general, I recommend > consulting experts whenever you can rather than stumbling around. Most > are very generous with their time when helping students. Good luck, > and let me know if you get the system working well enough for a demo. > I know a huge number of venture capitalists who are always on the > lookout for investment opportunities. -- You received this message because you are subscribed to the Google Groups "Android Beginners" group. NEW! Try asking and tagging your question on Stack Overflow at http://stackoverflow.com/questions/tagged/android To unsubscribe from this group, send email to android-beginners+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en
