Cool Joule Radio Transmitter
This is a super simple short range AM radio transmitter that uses only 3 parts. It is made using a modified ‘Cool Joule’ led light circuit that was first presented here by TinMan.
Experiments, inventions, patents, …
This is a super simple short range AM radio transmitter that uses only 3 parts. It is made using a modified ‘Cool Joule’ led light circuit that was first presented here by TinMan.
I am using a LM386N audio amplifier to build a simple homemade AM radio. I use an air gap capacitor and a homemade coil for the tuning circuit. The tuning circuit basically filters out…
Ive been experimenting with my homemade AM radio at night. I am picking up two Spanish speaking stations. Right now I have only been able to recieve the low end of the AM dial,…
I give an update on the progress of my home made radio, plus I include some photos from some of my books.
This shows my “Pancake Coil JT” now modulated and broadcasting music to a nearby AM radio. An old cassette player is the source of the music signal that is fed into the simple oscillator….
WARNING: Strong FLICKERING and FLASHING LIGHT. Please do not watch if you have epilepsy, or any other seizure disorder, or are sensitive to flicker. If you feel nauseous or headachy, please look away. Thanks…
Patent number: 6217712 Filing date: Oct 5, 1999 Issue date: Apr 17, 2001 Inventor: Thomas J. Mohr download: PDF patent: google.com
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