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Make a simple AM transmitter that will cost you less than $5.
A crystal whos frequency is between .9000 and 1.2000 MHz. Some wire A male headphone jack A breadboard or experimental circuit board (optional)
The crystal should have a little black dot on it. This is the only pin that we will not use on the crystal. We will connect the red ...
Connect the last pin (the pin opposite of the dot) to an antenna. I used a really long telephone wire for my antenna (25 feet or so). I ...
You now have to tune your radio to whatever your crystal says. The crystal will show the frequency in MHz and the radio will show it in KHz. ...
Easy AM Transmitter!by jensenr30
Pre-amp to electret mic!by lukas_tek
listen to electronic device "noise" with an AM radioby Roaraar
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