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#teardown

5 posts4 participants0 posts today
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Pimentoad

I pulled the heatsink off to reveal, sadly, another "dashcam" IC: MSC8328P
The accompanying flash for this one is 64Mbit I think (MD25Q64CSIG)

I was really hoping for something I could more easily get some tech specs on. I could dump the memory I guess? Maybe another time.

Next time maybe I'll do some obsolete tools I have lying around if that's of interest? I have a whole box of old imagers and write blockers and stuff.

The PCB centered on the dashcam IC described
#teardown
Continued thread
Public
Pimentoad

Digging into the main PCB:
One side doesn't have much new to show us.
At the top left, a switch to enable the camera, USB in and out and the components of the boost converter for the USB out.
Top right is the power output switch and a SIM6500 battery charger + related components. Just below are the connectors for the battery and the wireless charging
Bottom right we have an unlabeled IC and supporting things for the LEDs and PIR

And finally, the lower left is the camera stuff.

The back of the PCB with the SD slot and reset button
The front of the PCB with various components as described
#teardown
Continued thread
Public
Pimentoad

On the other end we have a few things.
I've pulled out the top piece, it's a PIR sensor! The lensed plastic piece was for this. These are standard cheap motion detectors that you see all over the place, usually behind faceted plastic lenses. the board is basically a BISS0001 PIR detector chip and it's reference circuit.

Below that we have stuff that has been glued in:
A white LED with an aluminum heatsink
A camera module
An IR LED

The PCB described in the post and a close up of the space where it goes along with the glued in components
#teardown
Continued thread
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Pimentoad

The top PCB is the wireless charging circuit. These are pretty standardized. It only has power connections running back to the other board so it doesn't do anything else of interest.

The lower board is what does all the work but about half of it is just normal battery bank stuff.
#teardown

The top PCB flipped up to get a better look at the lower board.
Continued thread
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Pimentoad

Just like the other one, the bottom of the thing has a clear plastic cover that very obviously has a camera and some other stuff behind it.

It also has a different cutout within the clear cutout. It doesn't really show up in the picture but it is a grid of segments with sort of fresnel lens like patterning. You may already know what's behind it from that.
#teardown

The bottom face of the rectangular pack. There are 2 clear seams implying that the top and bottom are separate pieces. The majority of the face is taken up by a piece of shiny black plastic that clearly has LEDs and a camera behind it. A large rectangular cutout within it is taken up by a grey rectangle
Public
Pimentoad

OK, I am once again watching progress bars, so time for the other #teardown I guess.

This is more or less the same as the previous one, a battery bank that is also a camera. But this one has wireless charging, and is bigger and cheaper feeling.

A black battery bank on a blue mat, it has a wireless charging icon in the middle and 7 LEDs, 4 of which are lit orange and one blue.
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