Hey all,
I have been having trouble determining the antenna tracker parameters for the APM Mission Planner. I have gotten it to work within the Pololu Maestro software with the parameters:
Pan (HS-785HB):
Min: 1312, Max: 1584, Startup: Goto 1450, Neutral 8-bit: 1448, 8-bit Resolution: ~136
--Setup so that it can rotate +- 180 degrees from "neutral"
Tilt (HS-645MG):
Min: 1584, Max: 2200, Startup: Goto 1976, Neutral 8-bit: 1892, 8-bit Resolution: ~308
--Setup so that it can rotate from straight forwards (parallel to horizontal) to straight upwards (parallel to vertical).
Serial Settings:
USB Dual Port
My problem is three fold:
1. Which port do I use to communicate with the Maestro? The Command or TTL port?
2. What baud rate should I be using?
3. What numbers should I set the angle and PWM parameters to, within the mission planner?
Thank you in advance for your help.
Replies
Hi All,
What APM version are you using (2.0 or 2.5)? Also are you using an external GPS, if so....which one? The reason I ask is because I'm using APM 2.0 with the internal GPS and the latency is slow on the tracker plus the plane is not exactly showing the correct location in the planner on MP while walking the plane around (30-60 meters away). So my plane setup seems to have some interference going on and I think it's the GPS, maybe the 3DR radio with my 433mhz RC transmitter, or all three. Any ideas or others having similar issues?
I'm about to try an external GPS, but just thought I would ask the community.
-Taylor-
Hi All,
I am having a weird issue - the setup works well as described in the treads, but only in Maestro config utility.
The APM says its connected to the Maestro on the correct com port, but can't get any movement out of the servos despite the same range, centre and angles configure.
What am I missing?
Bernhard
Hello,
I have ordered all the necessary components to assemble my tracker and am familiar with all the configuration but I have two questions about using the Mission Planner that I can't find clear documentation of. In the screen shot below there is a button labeled 'Find Trim Pan (3DR Radio)', what does this do and how do you use it? I haven't been able to find any documentation on it's use or function. I am assuming that it uses your RSSI to derive the location of the aircraft's starting or home location?
The second question is related and has to do with setting up the antenna. I know the antenna base is supposed to be pointed North, but I didn't see a clear answer to the question of weather or not that was true or magnetic North. Also do you then point the antenna at the plane's home position using trim as above?
Regards,
Nathaniel ~KD2DEY
Hi William,
I was wondering if were able to solve your problem? I have the same exact antenna tracker as you with the same servos. I was wondering if you finalized your settings and could possibly share them.
-Chris
1. try both... only one will work.
2. any, it auto detects.
3. have you followed my guide?
the neutral value should always be in the middle of your range.