AVR-Chat

On Fri, 18 Feb 2005 18:14:31 -0000, Dave Mucha <dave_mucha@yahoo.com>  
wrote:

>
> The mating would be by being next to each other.  maybe a contact
> type connection, but not plugs or any type of protruding contacts.
> Think of a deck of cards that would be flat and need to touch to be
> identified.  (really close is fine)   alignement is fine if an opto
> sensor were to be used.  ie: serial handshaking.    RF is not desired.
> Dave


I suggest either using IR or using inductive transmission (coils).
Do the devices have batteries?
Are there "male" and "female" devices, or can they mate freely?
(in other words are some TX and some RX or are they all TX/RX)

ST