Please see this thread, which is discussing this.
do you have a solution ??
I have the same problem, i have a new APM2.5 with plastic housing,
do i need a special shield to connect these further 3Pins MOSI, MISO,SCLK ?
or where to connect to the board ?? will try to search on the other link,
please write me answer. thanks very much Thomas
I don't think you need a special shield for the 2.5. The instructions on hitching up the 2.5 are also on this page below the instructions for the APM2.0. It looks to me like even with the case on the 2.5 we can still get to the miso, mosi,pins.
Building the cable is not probs to me, but I'd prefer not to have to cut and resolder the 3.3 & 5V headers (I'm reluctant to open my brand new 2.5+ case full stop!) - am I just going to have to bite the bullet and do it?
i think the connection is right as in your link http://code.google.com/p/arducopter/wiki/AC2_OptFlow
i connected all like this and in mission-planner i got changing values when shifting the ground relatively to sensor - seems that is working. But what's about the framegrabber testprogram written in python ?
Do you or others had success with this ? When i connect in same way, starting the python shell running
this python Framegrabber Testprogram the window with pixels opens but not changing any pixel - no movement or no picture is shown. What could be wrong ? Or is ther another Frame capturing program to test the sensor.
Some other freaks shown pictures from taken snapshoots (30x30pix) with head or so.