polarity of right capacitor?
Also, add a 100nF ceramic capacitor on the input pin close to the regulator.
Probably add a heat sink too.
Also add a connection from 0V to the GND pin.
A switch (and maybe a fuse) on the input would be nice.
No ground connection to pin 2 and a cap wired in destructo mode?
Yes full marks for everone.
The regulator is a 5V mosfet , in the video description.
The video is nicely made and it only spends time on a kindergarten animation.
The mistake would be believing it works 
The cocnvention is -- the node is to be joined by a dot.
No ground wire to LM7805.
Of which post?
The first one as in the video.
Sorry, I commented late, that was the first mistake I spotted....Before reading the thread.
It is not and a mosfet would not work either...
I am referring to this."7805 MOSFET project"
Thanx!
It even has a darlington to get a larger voltage drop...
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