Having issues connecting and testing servo to APM 2.6

Hardware Rovers and boats
1

Hello,

I’ve been trying to connect a servo motor to the ardupilot for my project.

However, i’m having some issues, as seen in the picture, I’ve connected the signal wire from the servo to A11 and the other 2 wires to a battery pack (2X AA 1.5V)- is that the issue? (This is just a small servo for testing, the actual servo to be used in the project needs 7.4V and is accounted for with a bigger battery)

In mission planner, I’ve set the “Do_set_servo” for 11 and 10 to 0 as the ardurover guide suggests (tried both slots)

Then, in the servo tab, trying to test for movement there is no response.

image.jpg1400×1050 473 KB

Any help is appreciated

Thanks :slight_smile:

2

@john_smith,
You do not appear to have a ground wire from the servo battery pack negative terminal to the APM2.6 negative power terminal.
Regards,
TCIII AVD

3

IMG_20170425_181605.jpg2419×3226 2.37 MB

Thank you very much for the response!
This set up, by using the output power rail, seems to move the servo.
However, on mission planner, on the servo tab (low,high,toggle), i’ve been playing around with the values but cannot seem to figure out how to make the movements controlled.
Since the servo has neutral at 1.5ms pulse, right is 2ms and left is 1ms, how does that translate?

Thanks again