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Subject: Re: Ultrasonic transmitter and reciever circuits

Date: 10/31/01 at 4:39 PM
Posted by: Brian Snell
E-mail: bsnell@lara.on.ca
Message Posted:

In Reply to: Ultrasonic transmitter and reciever circuits posted by Lee Brooke on 10/15/01 at 4:57 PM:

I have some circuit diagrams for some remote control U/S projects for driving relays, LEDs, etc. If it is a "line-of-sight" audio transmitter circuit I think I have some old Popular Electronics from the '60s in which I recall there were some circuits. Please confirm more details of the exact final operation desired.
Regards,

Brian Snell (bsnell@lara.on.ca)


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