XPost: sci.electronics.design, sci.electronics.misc   
   From: trevor@home.net   
      
   "Spehro Pefhany"  wrote in message   
   news:m43gj8hmdi50ejbnbf3r7vloing2sj2kvu@4ax.com...   
   > On Thu, 07 Mar 2013 12:49:27 +1000, the renowned Adrian Jansen   
   >  wrote:   
   >>For an example, the tyre pressure monitor systems at 433 MHz.  10 gram   
   >>package, including battery, you screw on a tyre valve.  Monitors tyre   
   >>pressure and temperature for about 1-2 years of operation.  Reports real   
   >>time, every minute or so, to in-car readout.   
   >   
   > Frequently fails mechanically, causing loss of tire pressure, allows   
   > tire shops to charge for a "rebuild kit" whenever they swap a tire,   
   > requires a trip to the dealer (or specialized equipment/knowledge) to   
   > replace, even with an OEM replacement part.. other than that, they're   
   > just spiffy.   
      
   So pretty much like many of the new gadgets on modern cars, something else   
   to go wrong that costs you money, even if you never wanted it in the first   
   place :-(   
      
   Trevor.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)