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Why don't you buy 433MHZ transmitter and receiver. They're only about $8.50 a piece. ... Temporarily, the receiver can be any AM broadcast receiver. That way you can work on the transmit end until you are satisfied. Then move on to a simple receiver in similar fashion and add a 567 or similar tone decoder circuit.
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www.electro-tech-online.com/electronic-projects-design-...
www.electro-tech-online.com/electronic-projects-design-ideas-reviews/15866-simple-transmitter-reciever-schematic.html
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Building an RF remote control system ... Using these RF transmitter & receiver circuits with a Microcontroller would be simple. We can simply replace the switches used for selecting data on the HT-12E with the output pins of the microcontroller. Also we can use another output pin to select TE, or transmit enable on the HT-12E.
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www.rentron.com/RF-Remote.htm
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Reynolds Electronics remote control schematics ... Schematics for the new TXLC-434 / RXLC-434 433.92MHz RF transmitter & receiver modules with 4-bit & 8-bit remote control encoder/decoder circuits. Schematics: HERE; Buy the RXLC-434 & TXLC-434: HERE ... Simple 5-Switch, 4-Bit Transmitter: Click HERE...
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www.rentron.com/remote_control/remote1.htm
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: Hi, I'm looking to create an ultra simple fm transmitter circuit, and a corresponding receiver. Basically, I just want to press a button on ... Looking for Simple FM transmitter/receiver circuits javid khorasani 01:32:10 12/13/03 (0) ... Re: Simple FM transmitter/receiver circuits uhtg yeterge 22:36:53 10/09/03 (1)
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www.epanorama.net/wwwboard/messages/8300.html
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This set of two circuits from the basis for a very simple light wave transmitter. A LASER beam is modulated and then aimed at a receiver that demodulates the signal and then presents the information (voice, data, etc..). The whole thing is very easy to build and requires no specialized parts execpt for the LASER itself.
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www.aaroncake.net/Circuits/laserxmt.asp
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available from the ... Geiger, H., Fu, A., Petropoulos, P., Ibsen, M., Richardson, D. J. and Laming, R. I. (1998) Demonstration of a simple CDMA transmitter and receiver using sampled fibre gratings. In: UNSPECIFIED.
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eprints.ecs.soton.ac.uk/4955/
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Simple IR transmitter and receiver circuits ... Simple IR transmitter circuit ... The circuit can be also used for slow serial data transfer by connecting RS-232 data output to the transmitter module left/right control pin and connect the output of GP1U52X receiver module to RS-232 data input through suitable RS-232 buffer circuit.
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www.tkk.fi/Misc/Electronics/circuits/ir_send.html
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Click on the transmitter buttons and see how the receiver outputs change. Change transmitter or receiver version. Alter the receiver output type. Containing a PIC microcontroller, the circuit is very flexible. You can decide ... enc-042.asm; 28 #define MODE_CH8 the device is 8-channel, sending simple codes for channels...
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jap.hu/electronic/codec.html
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This is a very simple RF transmitter circuit that consists of the Holtek HT-12E ... The operating range of this transmitter/receiver is dependent on the ...
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home.att.net/~wzmicro/rf.html
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