Were using APM 2.5 and trying to test our servos for an autonomous mission that needs to drop off a payload, and were using servos for our drop mechanism. After setting our way point and adding DO_SET_SERVO below it so that when it gets to that waypoint, it triggers our servo.
After setting the waypoint (long & lat) and do_set_servo, we carry our copter to that waypoint and the servo is not triggering. Is this because the copter actually has to be flying or what?
When you tilt your plane or APM board when the autopilot is in Stabilize mode, the servos should move to compensate. You should also be able to move them with your RC sticks in that mode. If they aren’t moving check the following:
Are you powering your RC pins with an ESC or other power source?
Is your battery fully charged? The PPM encoder is more susceptible than the rest of the APM to an undervoltage situation. If you’re getting the “slow blink” on your blue PPM encoder LED when the radio is connected and powered, try switching in a freshly-charged LiPo?.
Have you done a radio setup as part of the setup process? If not, do it now. If you’ve already done it, go to the CLI Setup menu again, and enter “reset”, then “radio” and do it again. Remember that you must have an ESC or other power source plugged into to the RC pins to power the radio. The values you get on the channels that your RC receiver are connected should be around 1000 at the bottom (anywhere from 900 to 1100 is fine) and around 1900 at the top (from 1800 to 2100 is fine).
Were using APM 2.5 and trying to test our servos for an autonomous mission that needs to drop off a payload, and were using servos for our drop mechanism. After setting our way point and adding DO_SET_SERVO below it so that when it gets to that waypoint, it triggers our servo. After setting the waypoint (long & lat) and do_set_servo, we carry our copter to that waypoint and the servo is not triggering. Is this because the copter actually has to be flying or what? When you tilt your plane or APM board when the autopilot is in Stabilize mode, the servos should move to compensate. You should also be able to move them with your RC sticks in that mode. If they aren’t moving check the following:Are you powering your RC pins with an ESC or other power source?Is your battery fully charged? The PPM encoder is more susceptible than the rest of the APM to an undervoltage situation. If you’re getting the “slow blink” on your blue PPM encoder LED when the radio is connected and powered, try switching in a freshly-charged LiPo?.Have you done a radio setup as part of the setup process? If not, do it now. If you’ve already done it, go to the CLI Setup menu again, and enter “reset”, then “radio” and do it again. Remember that you must have an ESC or other power source plugged into to the RC pins to power the radio. The values you get on the channels that your RC receiver are connected should be around 1000 at the bottom (anywhere from 900 to 1100 is fine) and around 1900 at the top (from 1800 to 2100 is fine).
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