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Re:Ask HN: How to self-learn electronics? by kmm on Friday April 06, 2018 @03:40PM (#16776674)
http://www.falstad.com/circuit/

It used to be a Java applet, now rewritten in JavaScript. Sadly, the Java version vastly outperforms the JS one, at least on my machine, but Java applets are annoying to run nowadays

Re:Ask HN: How to self-learn electronics? by BenjiWiebe on Friday April 06, 2018 @04:57PM (#16777358)
The JS one is plenty performant on my machine. I love that simulator. Helps me intuitively understand the circuit when I can see the voltage and current on each connection.
Re:Ask HN: How to self-learn electronics? by weaksauce on Friday April 06, 2018 @10:47PM (#16779121)
I do love that you can double click on a wire and check the box to show the current/voltage there.
Re:Ask HN: How to self-learn electronics? by Immortalin on Friday April 06, 2018 @07:58PM (#16778550)