Antenna Tracker with APM2.5

I want to build a Antenna Tracker with old version APM2.5, but we just saw PIX in the wiki, which one is correct in my two attached pictures?

Antenna Tracker for APM.jpg

Antenna Tracker for APM2.jpg

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Joystick for APM2.5 (Urgent)

Hi Guys,

 

I use a Logitech USB joystick to connect my APM (with Xtend900 radio and windows 7). then switch on the joystick function, the servos can work, but after several seconds, the servos are freezed. it seems large data workload for APM, what can

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