Products > Thermal Imaging

Lightweight device to read and record from Seek Thermal Camera?

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tonykids:
You can find the "protocol"(not official) of seek thermal USB some where on github
but you can not get the accuracy temperature.
connect it to raspberry pi zero or other board that running linux and record the raw data on sdcard

mikeselectricstuff:

--- Quote from: Tamiore on May 17, 2022, 10:53:46 am ---
--- Quote from: Vipitis on May 17, 2022, 10:21:08 am ---if you were to have a core with analog out, you can use any of the cheap and light DVRs that are already used for drones. I don't think there is such a miniature core available with the Seek QVGA sensor and analog out but I might be wrong.

--- End quote ---
From my current understanding, the actual 320×240 imaging core exists in at least 3 products: dongles with usb-c and lighting ports and a stand-alone "Reveal" device (that's smartphone-independent).
It does make me wonder, in this context, what exactly is "Reveal" running as the software? Some simplified android build, or something else entirely? And, perhaps more to the point, if whatever "Reveal" uses for software can be extracted and ported to a different platform?

--- End quote ---
reveal uses a Cortex A8, which seems overkill. No idea what, if any, software platform it runs on.

Tamiore:

--- Quote from: tonykids on May 17, 2022, 02:56:29 pm ---connect it to raspberry pi zero or other board that running linux and record the raw data on sdcard

--- End quote ---
Sounds like an interesting option. The funny thing, however, is that — after checking the actual prices for raspberry pi zero — they are somewhat more expensive than the cheapest lightest android phones. And not even that much lighter, it seems, after you add the battery weight in. I guess I'll give those smartphones a try first...

Tamiore:
Ok, so the plot thickens: I went to the nearby electronics store to try out the lightest android phone with the seek pro dongle. (Before buying anything, that is.)
Tried out the one shown in the picture: DEXP A440
In theory it runs Android 11 Go.
In practice it refused to install seek thermal app, siting that "this device is not supported". (Without any explanation as to why this model was not supported.)

And no one in the store could come up with good way to know beforehand which, if any, of the small androids phones WILL support the device.

Trying out these github repo's next, I guess.  :-//

Tamiore:
In the meantime, I've asked around and got a fairly old galaxy-something smartphone (that was no longer in use) for free.

Guess what? You can strip it down to nothing but the motherboard and it still works! Even after you disconnect the display it keeps recording from the Seek camera.
And the motherboard itself is just 14 grams.

Trouble is, the stock battery is whopping 42-ish grams. Not the end of the world, I guess, but the Seek camera and the motherboard combined weight around 30 grams, so 42 grams for battery seems like an overkill. So I'm off to hunt for a smaller battery.

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