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The demo shown in the talk was in an emulator, I have no doubt that he actually added his script into the filesystem in the emulation.

For the demo its in an emulator but he says the real version works 1 in 8 or 1 in 80 times. Is he lying?

I don't think there is any deception with that, but if he said he did not have a power supply arranged for it then I missed it.