Neil,
That camera has only analog output, so you will need a fast ADC to record i=
t.



> On Mar 7, 2018, at 9:22 PM, Neil <picdude3@narwani.org> wrote:
>=20
> I want to record video of at least 1.0MP to SSD (or other memory) for=20
> about 3-5 minutes.  15FPS is fine.  But I really want to avoid SBCs=20
> because of the OS (and more specifically the boot time), so wondering=20
> what it would take to do this with a microcontroller.
> I'm looking at camera modules similar to this...
> https://www.aliexpress.com/item/600TVL-1-4-1-8mm-CMOS-FPV-170-Degree-Wide=
-Angle-Lens-Camera-PAL-NTSC-image/32570417705.html
>=20
> I believe (haven't yet found a clear answer) that these cameras do 24=20
> bpp (Is this correct?), and if so I'd need 1 MP x 3 bytes x 60 secs x 5=20
> mins =3D 900 MB to store raw data.
> That's no prob with an SD card, but I expect bandwidth will be an issue,=
=20
> so I'd need to compress it.  This is where I draw a blank... what does=20
> it take to compress video?
>=20
> I'm clueless on video, so wondering if a microcontroller (say PIC32 or=20
> ARM) would be able to accept TTL NTSC video at this rate and compress=20
> it, and then store it.  Or is there a specialized processor I can use to=
=20
> accept the NTSC video stream and store it to SD?
> Should I use some other protocol other than NTSC for this perhaps?
>=20
> Cheers,
> -Neil.
>=20
> --=20
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Just my $0.02,

Jean-Paul
N1JPL




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