[aprssig] SSTV module

[Alex Carver]

> Message: 2
> Date: Thu, 13 Jan 2011 10:41:28 -0500
> From: Patrick Wood
> 
> The camera module is on a daughter board, notice the four
> solder points on
> the bottom side of the board.  There are many of these
> small camera modules
> available cheaply as cell phone parts, but they're
> typically difficult to
> program due to lack of documentation, or lack of a standard
> communication
> protocol..

I see the camera itself is that way but that's not what I meant.  I'll explain in reply to Scott's email.

> Message: 4
> Date: Thu, 13 Jan 2011 11:17:08 -0800
> From: Scott Miller
> 
> > Perhaps in your next iteration (if there is one) put
> the camera on a daughter board so you can swap modules
> without getting burned by a discoed unit?  Makes it
> thicker but hey, less board rework.
> 
> The camera IS on a daughter board, but there just aren't
> many cameras 
> out there that have a serial interface and put out raw RGB
> data.  The 
> next version is going to have a fast frame buffer so it can
> handle a 27 
> MB/sec data stream from a video decoder.  This little
> 8-bit MCU can't 
> handle it on its own.

Yeah, I know the physical camera is on a daughter board but I meant give it a second one, a translation board.  Your main board stays the same but you create some kind of electronic shim between the camera board and your main board.  That way no matter what module you get or how it behaves you can create the interface needed to go to your main MCU.  It would be a triple stack board.

I'm just thinking out loud since that's what I usually do for weird hardware that I'm trying to interface and may not be able to get identical parts in the future.  I just make shims and let the shim handle whatever translation is needed.