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Each picture is the front and back of the same board. I got them exactly as pictured so if it’s over processed, nothing I can do about that situation. I have about 50 of each.

#5 High Peripheral. I would remove the shield.
#4 High Peripheral.
#3 High Peripheral.
#2 High Peripheral.
#1 Low Peripheral.

Here to learn like everybody else.
My evaluations are my own opinion.

4 and 5 almost look like cell phone boards to me

4/5: The hdmi port would be odd for a cell phone (at least I've never seen that). Does appear to have a SIM and maybe a micro SD slot though so definitely something that needed a wireless connection

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Here to learn more so I can recycle more
My grades are my own opinion and not an official grade from Boardsort

I feel strongly that #5 is a card reader. Something you see in a store and you place your credit card etc into and type in your pin.
Same thing for #4. A card reader. Definately.
Here to learn like everybody else.
My evaluations are my own opinion.

yea apologies I didn't mean physically out of a cell phone more like a PDA or handheld or something, yea the POS device makes perfect sense

Interesting, I can't say I've gotten one of those to know what it might look like on the circuit board level.

_________________
Here to learn more so I can recycle more
My grades are my own opinion and not an official grade from Boardsort

For some reason they use HDMI as a data transfer to the Ethernet/USB/Power unit.