On Mon, 16 Jan 2012 22:19:02 +0000, Andy Burns
wrote:

Graham. wrote:

wrote:

Just came across the MK Echo wireless switch system.

Interesting that the transmitter works without batteries by
"harvesting energy". I wouldn't have expected it to work.

This is the underlying technology ...

http://www.enocean-alliance.org/en/enocean_technology/

I'm still intrigued, but all I see is marketing eco ********. What I
would like to see is actual circuit diagrams etc.

--
Graham.
%Profound_observation%