Some of these products you won’t find outside the USA 
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Wuhu Big Apple 😉
Just two days but had a Great Time from East Harlem to battery Park. Wohle North to South
Here only Some impressions:
Digital analog conversion
Application:
Automation pyramid:
The thing with cypher, encryption and decryption. Anything may be hacked, depending on the effort the attacker is able to invest, the time and money he has. I like 36min 20sec
for my first lecture @STA here some helpfull visuals. What is dual slope and what are ADCs good for?