SD Cards
May 1, 2024 17:58:13 #
Longshadow wrote:
Bummer. back in my day we never had connector problems or bad equipment. Even running RS-232 all over the plant.
I have problems often connecting a network of 40 devices with RS-232.
May 1, 2024 18:35:38 #
burkphoto wrote:
Speed has nothing to do with physical size of the card. Micro SD cards can be just as fast as SD cards of the same class.
May 1, 2024 18:37:05 #
BebuLamar wrote:
I have problems often connecting a network of 40 devices with RS-232.
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May 1, 2024 18:39:43 #
May 1, 2024 19:42:03 #
Dan S wrote:
I was just wondering which would be better. sd cards or micro sd cards in an adapter?
I've had nothing but trouble with micro sd cards in adapters! The adapters are crap! and keep losing connection with the micro sd card. Never had a problem with a micro sd card by itself or a normal sd card.
bwa
May 1, 2024 19:48:15 #
bwana wrote:
I've had nothing but trouble with micro sd cards in adapters! The adapters are crap! and keep losing connection with the micro sd card. Never had a problem with a micro sd card by itself or a normal sd card.
bwa
bwa
Interesting.
I've never had a problem.
But I have Sandisk adapters.
May 1, 2024 19:51:16 #
Longshadow wrote:
Interesting.
I've never had a problem.
But I have Sandisk adapters.
I've never had a problem.
But I have Sandisk adapters.
All of mine were either Kingston or Lexar; now all in the garbage.
bwa
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May 1, 2024 21:06:54 #
User ID wrote:
Puuuuuuure UHH "expert wisdom".
And correct wisdom. There are photographers and then there are experienced electronic engineers and electronic techs. I take my electronic advice from the latter.
May 1, 2024 21:15:15 #
TriX wrote:
And correct wisdom. There are photographers and then there are experienced electronic engineers and electronic techs. I take my electronic advice from the latter.
Bingo.....
Add Component Test Engineers also.
May 1, 2024 21:26:00 #
May 1, 2024 23:26:50 #
JoeBiker
Loc: homebase: Houston, TX
I would prefer one less point of failure, BUT unfortunately, it is a supply and demand issue rather than a technical issue.
Because full size SD cards are mainly used in Cameras (which only "we" uses), and micro SD cards are used in (android) cell phones (which half the world uses); microSD are higher capacity, faster, and cheaper than full size SD cards.
Because full size SD cards are mainly used in Cameras (which only "we" uses), and micro SD cards are used in (android) cell phones (which half the world uses); microSD are higher capacity, faster, and cheaper than full size SD cards.
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May 2, 2024 11:12:06 #
larryepage
Loc: North Texas area
Dan S wrote:
I was just wondering which would be better. sd cards or micro sd cards in an adapter?
Good morning Dan. I see that you have received a number of replies. The best one is from Bill Burkholder.
Additional connectors, whether reliable or not, introduce a phenomenon called an "impedance bump" where the physical size of the connector is different from the size of the wires being connected. This is generally not a problem at low frequencies, but can be real trouble at higher frequencies, like in high speed data transmission lines. Communication to and from fast data cards can approach those "trouble frequencies."
That's why I avoid unnecessary connectors whenever possible. But the unfortunate reality in today's ever smaller and ever lighter world is that in many markets, the Micro cards and adaptors may e the only choice available. They will generally work just fine. I prefer to use the full-size cards whenever the are available. (One reason is that the label indicating the capacity of the micro card is generally not readable when the card is plugged into an adaptor. The other is that the small cards are just hard to handle. There is a 256 GB micro card lost in my couch right now.) But I'll use a micro card in an adaptor without worry when no other choice is available.
May 2, 2024 11:22:10 #
larryepage wrote:
Good morning Dan. I see that you have received a n... (show quote)
So that's why my camera vibrates when it saves images to my micro in an adapter, all those bits hitting the impedance bump on the way into the card.
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