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easy books teach you nothing, they just relabel what you already know

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Yasutomo Oka, dipinto ad olio. Iperrealismo nell'arte giapponese

An old friend of mine is building an amazing 100W tube guitar amplifier. My ears are still bleeding! 😄
He will release it under CC and sell the prefab boards.

This weekend I fixed the CAT interface of my radio (Kenwood TS-940), it was a couple of connectors with defective contacts (the white ones in the pic).
Then I connected to the PC via a USB to RS232 adapter and all was OK.
Then I tried to use my laptops and my Raspberry Pi 3: no luck with exactly the same Linux kernel.

So I turned on the oscilloscope to check the signals on the serial: as soon as I connected the probes the CAT worked. WTF?

The chinese adapter I was using didn't have the USB ground and the serial ground connected... How many hours did I lose? Fsck.

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Visto che siamo in tema di Abercrombie e Co.
Peccato non ci sia anche il video, ma l'audio è eccezionale.

youtube.com/watch?v=JiNVAxOyt_

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