cross-posted from: https://lemmy.world/post/27589038
this post was submitted on 02 Jul 2025
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The standard resistor values are a bit weird at first but when you’re in the zone and you start getting used to what they usually are you start becoming relatively decent at making an educated guess for what the values should be. The actual IRL values are predictably defined and you start remembering the possible options over time.
Someone’s probably made a program that can do it for you though. My own shitty circuits are all built from standard example circuits so I haven’t had to think about this stuff often. Or like I’ll mix and match them illogically in a pinch (on the breadboard) and figure it out later (I don’t build the final circuit lol). Or of course, the venerable using-a-potentiometer-exactly-where-you-shouldn’t technique, which is one of the pillars of modern engineering.
Oh, this reminds me of a guy who could guess hexadecimal colors by eye after doing it for a while, and also another guy who could guess some concentrations in a test tube without using the spectrometer. Kinda wild but it makes sense.
He probably played a lot of hexcodle.