OSD units

[M0IKB]

Hello all,
I am starting a (small) build on an OSD (On Screen Display) unit to go between my camera and the transmitters.
Not 100% sure what I am going to do but thinking a PIC could do most of the work.
Now this is a simple question, anyone got any links or info about such units that wouldnt mind sharing?
I dont want to go out and buy a ready built unit, I enjoy the build so usual stuff, needs to be "cheap as chips" and almost bomb proof (read that as idiot proof hi).
regards
Gus M0IKB

[M0DTS]

For generating a testcard with some text there is the basic PICDREAM
http://translate.google.co.uk/translate ... 4_1377.htm

For OSD there's this i came across recently, cant find the original one i built:
http://garydion.com/projects/videoverlay/

If you want something more modern there's the MAX7456 IC designs, have one here but not played with it yet.

Rob

[G7GTN]

Hi Gus,

If you really need to travel the PIC route then is this one also: -

http://www.micro-examples.com/public/mi ... poser.html

Or PIC Dream as an OSD.

http://col2000.free.fr/f8egq/picosd/

As Rob M0DTS has already mentioned the MAX7456 will provide you with more pleasing results, might still be able to obtain some samples
from Maxim.

73's Mike.

[PE5PVB]

I designed one myself. It uses a MAX7456, which is currently still in production. With a rotary encoder you can easy choose the position on the screen, then push it to select the character...