Quote:
Originally Posted by crucifissio
Dude our entire primary school made this in DIY class, ok not the girls, but its nothing new...google crystal radio it works without a battery...you can harvest thermal and static the same way...the coolest thing I made in electro engineering class in primary school was a police siren...
The kid is a dumbass...
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I had a kit from Radio Shack a long time ago that made a radio. I don't remember if it had a battery or not.
Any idea of the scale it would have to be to push 30-40 amps of DC?