cross-posted from: https://lemmy.world/post/27589038
this post was submitted on 02 Jul 2025
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I feel like this is one of those comments I want to hoard in the off chance that I ever get into this and start building shit but I know deep inside me that's never gonna happen.
For you and anybody else wondering, the GP is a joke and should not be taken seriously.
The reason there isn't a resistor with the value on the meme is because real resistors have error tolerances and are never the exact value on their marks. If you go assembling a card-castle of resistors with the wrong value so that the labels add up to the value you want, you will still have a resistor of the wrong value.
There's an old saying that engineers measure with a micrometer, mark with a grease pen, and cut with a hatchet. You do the math right first, check the tolerances and tools at hand, then you try whatever seems like it'll work keeping room for your second and third guesses. Never give the boss their company credit card back until you're pretty sure you won't need another hardware run of the day.
Still, it's useless to try to get a board of the right size by nailing together boards you've cut wrong. You throw it out and try to make a better cut on the next one.