this post was submitted on 12 Oct 2024
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Funny: Home of the Haha

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top 22 comments
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[–] not_woody_shaw@lemmy.world 41 points 1 month ago (4 children)

Photo is so blurry I can barely distinguish the colours of the bands on the resistors. And I can't remember what they mean anyway.

[–] Treczoks@lemmy.world 11 points 1 month ago

I did not even care to learn the color codes, as I cannot distinguish them anyway. I always use a multimeter before using a resistor.

[–] ColeSloth@discuss.tchncs.de 8 points 1 month ago (2 children)

Color code for 220 is red,red,brown,blue. The picture sucks, but it doesn't look like any of them match that color code.

[–] Hugin@lemmy.world 13 points 1 month ago (1 children)

Red red brown is 220 next color is tolerance. Blue would be .25%.

[–] InverseParallax@lemmy.world 2 points 1 month ago

I just selected the pots.

[–] BalooWasWahoo@links.hackliberty.org 4 points 1 month ago (2 children)

Ah, shit, what's that initialism/mnemonic again?

I am so glad that once we're out of school, no one in their right mind would ever not have a guide nearby with all the information you could ever want for your job.

[–] Hugin@lemmy.world 4 points 1 month ago (1 children)

Black brown red orange yellow green blue violet gray white. Bad booze rots our young guts but vodka goes well. Or a more objectional version Bad boys rape our young girls but violet gives willingly.

[–] mipadaitu@lemmy.world 2 points 1 month ago

It's just black-brown-ROY G BV-grey-white

[–] mle86@feddit.org 1 points 1 month ago

Same with the "select all images with bicycles", theres usually at least 2 or 3 in there that are so blurry you can't tell if it's a motorbike or a bicycle

[–] BigDanishGuy@sh.itjust.works 15 points 1 month ago (1 children)

If you could have used a screen capture tool, and maybe uploaded in a better resolution it would have been possible to find all the red-red-brown or red-red-black-black through holes.

But what about the SMD resistors. Are we going to assume all the black 1206s and 0805s are resistors?

[–] SacredHeartAttack@lemmy.world 7 points 1 month ago (1 children)
[–] BigDanishGuy@sh.itjust.works 3 points 1 month ago

I occasionally teach electronics, that's probably one of a very few jobs where remembering some of the color codes are still relevant.

[–] Rokin@lemm.ee 14 points 1 month ago (1 children)

That's AI desperately trying to get smarter

[–] jaybone@lemmy.world 10 points 1 month ago

Please select all squares containing THE PATH TO WORLD DOMINATION

[–] unemployedclaquer@sopuli.xyz 10 points 1 month ago (1 children)

TIL the stripes on resistors aren't just colorful fun. I found this tool, but I need to read a more to understand it: https://www.digikey.com/en/resources/conversion-calculators/conversion-calculator-resistor-color-code

[–] funkless_eck@sh.itjust.works 9 points 1 month ago (1 children)

it's really just that the first two tell you numbers, the third multiplies it, and the fourth tells you how much leeway either side of that number you have.

They are manufactured in such a way that a set of resistors can cover everything from 1x to 10x in the range of electrical power you are working with.

[–] Hugin@lemmy.world 2 points 1 month ago (1 children)

The range is set up so that [standard value] + 10% just meets [ next standard value] -10%. They make a batch targeting 1k and test them to sort by tolerance. If they are off by more than 10% they just become 1.2k 10% or 820 10%.

[–] brbposting@sh.itjust.works 2 points 1 month ago (1 children)
[–] Hugin@lemmy.world 4 points 1 month ago

It's the mathematical term for the range in a log scale. 1-10, 10-100, 100-1000, ...

https://en.m.wikipedia.org/wiki/Decade_(log_scale)

[–] notoftenthat@sh.itjust.works 9 points 1 month ago

Violet was such a hussy