Recommended · for beginners
Learn how computers add numbers and build a 4 bit adder circuit
Why people recommend it
Ben Eater explains binary addition and builds a 4-bit adder from logic gates on a breadboard; suggested to people asking how a processor physically does arithmetic.
Watch for: floating CMOS inputs on the switches
In their words
I think that's what this guy (Ben Eater) did in this video:
Roman on electronics.stackexchange.com, Apr 2017. CC BY-SA.
What is the difference between mine and this guys's.
user268301 on electronics.stackexchange.com, Nov 2020. CC BY-SA.