Update: Google Search found an Hitachi HC30CD 3 axis accelerometer entered the market in 2006 with a price of 26 cents:
http://www.eetindia.co.in/ART_8800432202_1800002.HTM the anolog version gets used here: http://nesl.ee.ucla.edu/fw/thomas/ipsn15d-schmid.pdf The iphone STS one is around $4 http://www.embedded-computing.com/news/db/?4138 A Yamaha YAS529 compass entered the market in 2006 with a price of $10. http://wirelesswatch.jp/2006/08/07/yamaha-announces-compass-chip/ ... ... So a pair of H34Cs mounted 2 inches apart should give the missing information to simulate a compass for less than a dollar. The android SDK has enough stuff in it to make a compelling case for inexpensive phones that guide those who don't read maps. On May 15, 10:23 pm, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > I have no idea how much a cell phone with a compass costs. I don't see > why it would be expensive if there were enough of a market to micro > machine it like all those tiny mirrors. GPS(bearing) and an > accelerometer (both widely accepted as desirable) can act like a > compass - as long as there is occasionally enough motion to get a > bearing and calibrate the accelerometer to north. Even if you only > have tower triangulation, this method should still work - all you > would need to pay for is the accelerometer. The accelerometer should > be almost free from micro machining economies of scale. > > Anyway is the android team going to provide a simulated compass > function so folks with phones housing only an accelerometer, who can't > read a map, can still use it to find a lost child in a crowd? Or any > other geo destination? > > Who knows these answers? > > Thanks, > Ed --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Discuss" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/android-discuss?hl=en -~----------~----~----~----~------~----~------~--~---
