At http://www.conrad.de you can do a search about Radarsensor
or Doppler-Radarsensor, which results in 2 hits about something like that....



>I remember seeing an article in Elektor Electronics that used a microwave
>sensor. It was incredibly simple for what it did as the chip had all the RF
>on board and just output a voltage proportional to the doppler shift or
>something. Apparantly it worked at microwave frequencies and upto 10m.
>
>I`d give you more info but the magazine is long gone. You may want to look
>on the internet for it.
>

Michael Wieser
m.k.w@nextra.at

Service and Audiodesign

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