Some times ago I bought this camera:
http://www.securitycamera2000.com/produ ... a-OSD.html
The main problem was - how to use zoom during flight ... and ... My friend and I made a dongle

Now we can use zoom by PWM (or PPM sum) channel

We can set up this camera by keypad too.
- keypad.jpg (49.87 KiB) Viewed 27467 times
- zoom_c.jpg (45.91 KiB) Viewed 27467 times