====== Transmission Concepts ====== ---- ===== Radio Frequency Transmission ===== ==== FM ==== Signal Distance of a 100w emitter\\ {{Signal_distance.png|Signal distance}} ==== FM TRANSMITTER ====
  1. [The Ultimate FM Transmitter](https://www.instructables.com/id/The-Ultimate-FM-Transmitter/)
  2. [Simple FM transmitter](http://circuit-zone.com/index.php?electronic_circuits=7)
  3. [The simplest FM transmitter](https://anarchy.translocal.jp/radio/micro/howtotx.html) by Tetsuo Kogawa
  4. [The simplest F.M transmitter ever made!](https://www.circuitsdiy.com/the-simplest-f-m-transmitter-ever-made/)
==== Alternative transmitters ==== [[http://www.exitrip.org/About.html|with a ipod nano 1G]] ==== Pre-built transmitter from 1w to 1kw ==== [[http://www.czhfm.com/index.php?main_page=index&cPath=5&zenid=mj9anp8pghc92a713ekbr0s8n4|The company that produce transmitters]] (Camel Electronic Equipment Co., Ltd. in china) ==== FM RECEIVER ==== [[http://circuit-zone.com/?cat=fm_radio_receivers|Receiver page]] ==== ANTENNA ==== [[https://www.wikihow.com/Make-an-FM-Antenna|Make an FM Antenna]] ===== Other medium of transmission ===== ==== Sound ==== * Yunchul Kim “Hello World” : transmission du texte “Hello World” via un délai audio à l’intérieur d’un long tube http://www.interactivearchitecture.org/hello-world-yunchul-kim.html {{Hello_world.jpg|Hello world}} ==== Ultrasound ==== * Simple chat program using inaudible sounds and a computer’s microphone and speaker https://github.com/Katee/quietnet * Ultrasound with gnuradio https://www.anfractuosity.com/projects/ultrasound-via-a-laptop/ {{youtube>H0DKRl8XIcU}} ==== Laser ==== * low tech http://www.wikihow.com/Transmit-Audio-With-a-Laser-Pen * Send Music over a Laser Beam http://www.instructables.com/id/Send-Music-over-a-Laser-Beam/ * Laser mic http://www.williamson-labs.com/laser-mic.htm * Throwing one’s voice 95 miles on a lightbeam http://ka7oei.blogspot.fr/2012/09/throwing-ones-voice-95-miles-on.html * some circuit http://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2009/dyz2_jl589/dyz2_jl589/index.html {{youtube>brhnFFrkj-0}}