General > General Technical Chat

Am colour blind, need help identifying bands

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EPAIII:
This conversation makes me wonder if there may be a need for some kind of color recognition device. Not just for resistors/inductors or other electronic devices, but more general. Perhaps something that could be built into a pair of glasses.

But then, perhaps that already exists. I don't have time to do that search.

NiHaoMike:
Place a sheet of white paper off to the side (and in view) so that the color balancing will work.

--- Quote from: EPAIII on August 25, 2022, 12:56:25 am ---This conversation makes me wonder if there may be a need for some kind of color recognition device. Not just for resistors/inductors or other electronic devices, but more general. Perhaps something that could be built into a pair of glasses.

--- End quote ---
That does exist, it's called a color filter.

magic:

--- Quote from: Tim88 on August 24, 2022, 08:30:19 pm ---I took a pic outside in daylight, any better?

--- End quote ---
Yes, I am now starting to wonder if the second inductor could be 221 rather than 220 :-DD

(But it really looked identical to the first on the original picture, so I think they are the same).

ivaylo:
Just measure them. This system is ridiculous. I have the red/green deficiency too and always thought people with normal color vision just see stuff where I usually stumble. Thanks for this thread…

magic:
It's easier when you have the device in front of you and can compare it with other stuff on the board and try a better light.

In comparison, decoding markings from somebody's single small picture is like reading tea leaves.

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