by hackaday.com
http://hackaday.com/2013/09/24/retrotechtacular-fundamentals-of-am-and-fm-radio-communication/
Repurposed transmitters
notes
- Low Power Radio blog: https://sites.google.com/site/lowpowerradio2/
- BH1417 (FM) https://sites.google.com/site/lowpowerradio2/undertendollars
- Nokia N900 phone (FM) http://smartphones.wonderhowto.com/how-to/use-fm-transmitter-nokia-n900-329867/
- RFM12b (FM 433 or 866MHz) http://www.pcpro.co.uk/realworld/380878/hack-your-own-radio-transmitter
- Jeenodes: https://reactivemusic.net/?p=11019
- Hacking a small FM transmitter for music players – to add antenna and external power http://www.instructables.com/id/Hacking-FM-Transmitter/?ALLSTEPS
Other possibilities:
- Microwave ovens
- Key fobs
- Cordless phones
- Wifi access points
- prepaid analog cell phones
Food Theremin
Food completes the circuit.
By Justin Meyers at Wonder How To
Vegetable strainer wiFi antenna
USB wifi adapter plus parabolic vegetable strainer
At wonderhowto.com
http://mods-n-hacks.wonderhowto.com/how-to/make-wi-fi-extender-from-asian-parabolic-cookware-77212/
Spin Semiconductor fv-1
Inexpensive programmable DSP chip
Catalog of free open source example programs:
http://www.spinsemi.com/programs.php
The Undersea Internet
Underwater ultrasonic mesh networks by Subnero
from docsity.com
http://en.docsity.com/news/it/undersea-internet/
A Tractor Beam Made of Sound
By Charles Q. Choi in Popular Mechanics
FM with Web Audio API
Web Audio API demo list
The Arecibo Message
This pattern was broadcast into space on November 16, 1974 from the Arecibo telescope in Puerto Rico.
2380 MHz, FSK, 10 bits/second, 10 hz shift
http://en.wikipedia.org/wiki/Arecibo_message
