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From: peter crowcroft
Subject: Re: Transmitter/reciever modules?
Date: Tue, 03 Sep 2002 19:24:22 +0800
Organization: IMS Netvigator
X-Newsreader: Forte Agent 1.91/32.564
On Fri, 30 Aug 2002 21:14:53 GMT, email@example.com (roma) wrote:
>firstname.lastname@example.org (Brian Buchan) wrote in
>>I'm looking for a source of radio transmitter and receiver units.
>>Information from 4 momentary switch closures needs to be transmitted,
>>and the receiver will need to activate 4 corresponding relays. Range is
>>about 300 feet line of sight. I've had a look at the heavy duty
>>industrial units, but they are just too expensive for this project. I
>>know I have seen some small "garage door opener" type modules at some
>>time, but I can't seem to find them now that I need info. Can anyone
>>recommend a source? Thanks.
look at kit 180 on my website. It is a kit using Rolling Code,
4-channel UHF (433.9MHz) Remote control Tx and Rx. Get the
Buy it is Canada from
Amazon Electronics email@example.com
Carls Electronics firstname.lastname@example.org
Up to 15 Tx units can be learnt by one Rx unit.
DIY Electronics (HK) Ltd
PO Box 88458, Sham Shui Po
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