SILVERPEN Posted August 31, 2010 Report Share Posted August 31, 2010 Hi, I need some help with an idea but have no idea if it is feesable. I want a small battery operated transmitterthat will transmit a distance of about 200 feet.It has to have a micro switch. When switch is open it will transmit a signal to a small receiver and a green lite will be on. When switch is closed a red lite and a sound (beeper,buzzer ) will be activated. The receiver has to be small, keychain small. Also I know nothing about electronics so is there someone or someplace that can I can hire to do this? Thanks, Jerry Quote Link to comment Share on other sites More sharing options...
audioguru Posted August 31, 2010 Report Share Posted August 31, 2010 The transmitter is transmitting all the time so its battery will not last long unless it is huge.The receiver will be receiving all the time and will also need a huge battery unless you make it "sleep" most of the time then wake up for a moment when it tries to receive a signal then it sleeps again to save its battery power. Quote Link to comment Share on other sites More sharing options...
Silent Jack Posted August 31, 2010 Report Share Posted August 31, 2010 The Xbee standard of wireless comms is designed to be very power efficient. Though it sounds like you're trying to build a relatively simple security system. There are a number of ways in which this could be accomplished. Could you share some more specifics about your intention and wants? Quote Link to comment Share on other sites More sharing options...
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