FM Transmitter Experiments
A collection of information about short-range FM radio transmitters, including hacking advice.
Resources
Bluetooth As A Generic Audio Link
Can Bluetooth A2DP transmitters and receivers be used to make a reliable generic audio link over long distances?
Inductive Pickup Experiments
Use the coil of wire from an old relay to listen to the electromagnetic world of modern machines.
VLF Natural Radio Experiments
“Natural Radio” is the low frequency residue of lightning strikes and space weather. After building a simple preamplifier circuit, you can tune it via the mic input of any recorder.